226225188 has 72 divisors (see below), whose sum is σ = 691996032. Its totient is φ = 60832512.

The previous prime is 226225187. The next prime is 226225247. The reversal of 226225188 is 881522622.

226225188 is a `hidden beast` number, since 22 + 622 + 5 + 1 + 8 + 8 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (226225187) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22120 + ... + 30687.

It is an arithmetic number, because the mean of its divisors is an integer number (9611056).

Almost surely, 2^226225188 is an apocalyptic number.

226225188 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

226225188 is an abundant number, since it is smaller than the sum of its proper divisors (465770844).

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

226225188 is a wasteful number, since it uses less digits than its factorization.

226225188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52841 (or 52836 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 226225188 is about 15040.7841550898. The cubic root of 226225188 is about 609.3221782064.

The spelling of 226225188 in words is "two hundred twenty-six million, two hundred twenty-five thousand, one hundred eighty-eight".