226697131 has 6 divisors (see below), whose sum is σ = 236982620. Its totient is φ = 216840228.

The previous prime is 226697123. The next prime is 226697137. The reversal of 226697131 is 131796622.

It is not a de Polignac number, because 226697131 - 2³ = 226697123 is a prime.

It is a super-2 number, since 2×226697131² = 102783178407262322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (226697137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 213741 + ... + 214798.

Almost surely, 2^226697131 is an apocalyptic number.

226697131 is a deficient number, since it is larger than the sum of its proper divisors (10285489).

226697131 is an equidigital number, since it uses as much as digits as its factorization.

226697131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428585 (or 428562 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 226697131 is about 15056.4647577046. The cubic root of 226697131 is about 609.7455993724.

The spelling of 226697131 in words is "two hundred twenty-six million, six hundred ninety-seven thousand, one hundred thirty-one".