226638504 has 48 divisors (see below), whose sum is σ = 640504800. Its totient is φ = 72261024.

The previous prime is 226638497. The next prime is 226638541. The reversal of 226638504 is 405836622.

It is a super-2 number, since 2×226638504² = 102730022990716032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66774 + ... + 70085.

It is an arithmetic number, because the mean of its divisors is an integer number (13343850).

Almost surely, 2^226638504 is an apocalyptic number.

226638504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

226638504 is an abundant number, since it is smaller than the sum of its proper divisors (413866296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226638504 is a wasteful number, since it uses less digits than its factorization.

226638504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136894 (or 136887 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 226638504 is about 15054.5177272472. The cubic root of 226638504 is about 609.6930319710.

The spelling of 226638504 in words is "two hundred twenty-six million, six hundred thirty-eight thousand, five hundred four".