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2233221225 = 352231294621
BaseRepresentation
bin1000010100011100…
…0100000001101001
312202122012101121020
42011013010001221
514033201034400
61005333403053
7106225032024
oct20507040151
95678171536
102233221225
11a46660184
12523a99489
132978938a1
141728481bb
15d10d02a0
hex851c4069

2233221225 has 24 divisors (see below), whose sum is σ = 3852795072. Its totient is φ = 1139265600.

The previous prime is 2233221209. The next prime is 2233221227. The reversal of 2233221225 is 5221223322.

It is a happy number.

It is not a de Polignac number, because 2233221225 - 24 = 2233221209 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2233221195 and 2233221204.

It is not an unprimeable number, because it can be changed into a prime (2233221227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 645586 + ... + 649035.

It is an arithmetic number, because the mean of its divisors is an integer number (160533128).

Almost surely, 22233221225 is an apocalyptic number.

2233221225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2233221225 is a deficient number, since it is larger than the sum of its proper divisors (1619573847).

2233221225 is a wasteful number, since it uses less digits than its factorization.

2233221225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294657 (or 1294652 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 2233221225 is about 47256.9701208192. The cubic root of 2233221225 is about 1307.1053200296.

Adding to 2233221225 its reverse (5221223322), we get a palindrome (7454444547).

The spelling of 2233221225 in words is "two billion, two hundred thirty-three million, two hundred twenty-one thousand, two hundred twenty-five".

Divisors: 1 3 5 15 23 25 69 75 115 345 575 1725 1294621 3883863 6473105 19419315 29776283 32365525 89328849 97096575 148881415 446644245 744407075 2233221225