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2225121423 = 37474495021
BaseRepresentation
bin1000010010100000…
…1010100010001111
312202001221212202120
42010220022202033
514024112341143
61004444024023
7106066135320
oct20450124217
95661855676
102225121423
11a42028728
12521232013
13295cb8bc5
1417173a447
15d0530383
hex84a0a88f

2225121423 has 32 divisors (see below), whose sum is σ = 3471206400. Its totient is φ = 1241425920.

The previous prime is 2225121421. The next prime is 2225121427. The reversal of 2225121423 is 3241215222.

It is not a de Polignac number, because 2225121423 - 21 = 2225121421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2225121393 and 2225121402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225121421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 440653 + ... + 445673.

It is an arithmetic number, because the mean of its divisors is an integer number (108475200).

Almost surely, 22225121423 is an apocalyptic number.

2225121423 is a deficient number, since it is larger than the sum of its proper divisors (1246084977).

2225121423 is a wasteful number, since it uses less digits than its factorization.

2225121423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5527.

The product of its digits is 1920, while the sum is 24.

The square root of 2225121423 is about 47171.1927239496. The cubic root of 2225121423 is about 1305.5231331397.

Adding to 2225121423 its reverse (3241215222), we get a palindrome (5466336645).

The spelling of 2225121423 in words is "two billion, two hundred twenty-five million, one hundred twenty-one thousand, four hundred twenty-three".

Divisors: 1 3 7 21 47 141 329 449 987 1347 3143 5021 9429 15063 21103 35147 63309 105441 147721 235987 443163 707961 1651909 2254429 4955727 6763287 15781003 47343009 105958163 317874489 741707141 2225121423