87442204 has 12 divisors (see below), whose sum is σ = 153090000. Its totient is φ = 43702208.

The previous prime is 87442183. The next prime is 87442207. The reversal of 87442204 is 40224478.

It is a super-2 number, since 2×87442204² = 15292278080755232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87442207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13497 + ... + 18895.

It is an arithmetic number, because the mean of its divisors is an integer number (12757500).

Almost surely, 2^87442204 is an apocalyptic number.

It is an amenable number.

87442204 is a deficient number, since it is larger than the sum of its proper divisors (65647796).

87442204 is a wasteful number, since it uses less digits than its factorization.

87442204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9452 (or 9450 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 87442204 is about 9351.0536304739. The cubic root of 87442204 is about 443.8542321044.

The spelling of 87442204 in words is "eighty-seven million, four hundred forty-two thousand, two hundred four".