226185631 has 8 divisors (see below), whose sum is σ = 261008384. Its totient is φ = 191990520.

The previous prime is 226185613. The next prime is 226185637. The reversal of 226185631 is 136581622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 226185631 - 2⁵ = 226185599 is a prime.

It is a super-2 number, since 2×226185631² = 102319879341736322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226185637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156135 + ... + 157576.

It is an arithmetic number, because the mean of its divisors is an integer number (32626048).

Almost surely, 2^226185631 is an apocalyptic number.

226185631 is a deficient number, since it is larger than the sum of its proper divisors (34822753).

226185631 is a wasteful number, since it uses less digits than its factorization.

226185631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313821.

The product of its digits is 17280, while the sum is 34.

The square root of 226185631 is about 15039.4691063215. The cubic root of 226185631 is about 609.2866614387.

The spelling of 226185631 in words is "two hundred twenty-six million, one hundred eighty-five thousand, six hundred thirty-one".