87249226 has 8 divisors (see below), whose sum is σ = 135386820. Its totient is φ = 42120288.

The previous prime is 87249167. The next prime is 87249233. The reversal of 87249226 is 62294278.

It can be written as a sum of positive squares in 2 ways, for example, as 79121025 + 8128201 = 8895^2 + 2851^2 .

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

It is a super-2 number, since 2×87249226² = 15224854875198152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752091 + ... + 752206.

Almost surely, 2^87249226 is an apocalyptic number.

87249226 is a deficient number, since it is larger than the sum of its proper divisors (48137594).

87249226 is a wasteful number, since it uses less digits than its factorization.

87249226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504328.

The product of its digits is 96768, while the sum is 40.

The square root of 87249226 is about 9340.7294147727. The cubic root of 87249226 is about 443.5274745966.

The spelling of 87249226 in words is "eighty-seven million, two hundred forty-nine thousand, two hundred twenty-six".