226156173 has 32 divisors (see below), whose sum is σ = 317171712. Its totient is φ = 143208000.

The previous prime is 226156169. The next prime is 226156187. The reversal of 226156173 is 371651622.

It is not a de Polignac number, because 226156173 - 2² = 226156169 is a prime.

It is a super-2 number, since 2×226156173² = 102293229172011858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226156193) 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, 1497648 + ... + 1497798.

It is an arithmetic number, because the mean of its divisors is an integer number (9911616).

Almost surely, 2^226156173 is an apocalyptic number.

It is an amenable number.

226156173 is a deficient number, since it is larger than the sum of its proper divisors (91015539).

226156173 is a wasteful number, since it uses less digits than its factorization.

226156173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425.

The product of its digits is 15120, while the sum is 33.

The square root of 226156173 is about 15038.4897180535. The cubic root of 226156173 is about 609.2602094994.

The spelling of 226156173 in words is "two hundred twenty-six million, one hundred fifty-six thousand, one hundred seventy-three".