226153657 has 16 divisors (see below), whose sum is σ = 238738192. Its totient is φ = 213995520.

The previous prime is 226153619. The next prime is 226153661. The reversal of 226153657 is 756351622.

It can be written as a sum of positive squares in 8 ways, for example, as 8856576 + 217297081 = 2976^2 + 14741^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226153657 is a prime.

It is a super-2 number, since 2×226153657² = 102290953148947298, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226153157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218413 + ... + 219445.

It is an arithmetic number, because the mean of its divisors is an integer number (14921137).

Almost surely, 2^226153657 is an apocalyptic number.

It is an amenable number.

226153657 is a deficient number, since it is larger than the sum of its proper divisors (12584535).

226153657 is a wasteful number, since it uses less digits than its factorization.

226153657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228.

The product of its digits is 75600, while the sum is 37.

The square root of 226153657 is about 15038.4060658036. The cubic root of 226153657 is about 609.2579501398.

The spelling of 226153657 in words is "two hundred twenty-six million, one hundred fifty-three thousand, six hundred fifty-seven".