226887531 has 16 divisors (see below), whose sum is σ = 342935040. Its totient is φ = 132274080.

The previous prime is 226887499. The next prime is 226887547. The reversal of 226887531 is 135788622.

226887531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 226887531 - 2⁵ = 226887499 is a prime.

It is a super-2 number, since 2×226887531² = 102955903446551922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (226887581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152355 + ... + 153836.

It is an arithmetic number, because the mean of its divisors is an integer number (21433440).

Almost surely, 2^226887531 is an apocalyptic number.

226887531 is a deficient number, since it is larger than the sum of its proper divisors (116047509).

226887531 is a wasteful number, since it uses less digits than its factorization.

226887531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306226.

The product of its digits is 161280, while the sum is 42.

The square root of 226887531 is about 15062.7862960343. The cubic root of 226887531 is about 609.9162574282.

The spelling of 226887531 in words is "two hundred twenty-six million, eight hundred eighty-seven thousand, five hundred thirty-one".