226556431 has 4 divisors (see below), whose sum is σ = 228756112. Its totient is φ = 224356752.

The previous prime is 226556419. The next prime is 226556441. The reversal of 226556431 is 134655622.

226556431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 226556431 - 2¹⁵ = 226523663 is a prime.

It is a super-2 number, since 2×226556431² = 102655632854915522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226556411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1099686 + ... + 1099891.

It is an arithmetic number, because the mean of its divisors is an integer number (57189028).

Almost surely, 2^226556431 is an apocalyptic number.

226556431 is a deficient number, since it is larger than the sum of its proper divisors (2199681).

226556431 is a wasteful number, since it uses less digits than its factorization.

226556431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199680.

The product of its digits is 43200, while the sum is 34.

The square root of 226556431 is about 15051.7916209334. The cubic root of 226556431 is about 609.6194266820.

The spelling of 226556431 in words is "two hundred twenty-six million, five hundred fifty-six thousand, four hundred thirty-one".