88172226 has 20 divisors (see below), whose sum is σ = 197571462. Its totient is φ = 29390688.

The previous prime is 88172207. The next prime is 88172233. The reversal of 88172226 is 62227188.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 87441201 + 731025 = 9351^2 + 855^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 271975 + ... + 272298.

Almost surely, 2^88172226 is an apocalyptic number.

88172226 is an abundant number, since it is smaller than the sum of its proper divisors (109399236).

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

88172226 is a wasteful number, since it uses less digits than its factorization.

88172226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544287 (or 544278 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 88172226 is about 9390.0067092628. The cubic root of 88172226 is about 445.0860011370.

The spelling of 88172226 in words is "eighty-eight million, one hundred seventy-two thousand, two hundred twenty-six".