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1222232201 = 25134714033
BaseRepresentation
bin100100011011001…
…1100100010001001
310011011211211101022
41020312130202021
510000342412301
6321140402225
742200542121
oct11066344211
93134754338
101222232201
11577a11163
122a13a6375
131662a9928
14b8479c81
157247cd1b
hex48d9c889

1222232201 has 8 divisors (see below), whose sum is σ = 1230725664. Its totient is φ = 1213768000.

The previous prime is 1222232189. The next prime is 1222232233. The reversal of 1222232201 is 1022322221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1222232201 is a prime.

It is a super-2 number, since 2×12222322012 = 2987703106322608802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1222232201.

It is not an unprimeable number, because it can be changed into a prime (1222232251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80081 + ... + 94113.

It is an arithmetic number, because the mean of its divisors is an integer number (153840708).

Almost surely, 21222232201 is an apocalyptic number.

It is an amenable number.

1222232201 is a deficient number, since it is larger than the sum of its proper divisors (8493463).

1222232201 is a wasteful number, since it uses less digits than its factorization.

1222232201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14631.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1222232201 is about 34960.4376545832. The cubic root of 1222232201 is about 1069.1810197427.

Adding to 1222232201 its reverse (1022322221), we get a palindrome (2244554422).

The spelling of 1222232201 in words is "one billion, two hundred twenty-two million, two hundred thirty-two thousand, two hundred one".