87982222 has 24 divisors (see below), whose sum is σ = 139196736. Its totient is φ = 41702496.

The previous prime is 87982159. The next prime is 87982229. The reversal of 87982222 is 22228978.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87982229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144643 + ... + 145249.

It is an arithmetic number, because the mean of its divisors is an integer number (5799864).

Almost surely, 2^87982222 is an apocalyptic number.

87982222 is a deficient number, since it is larger than the sum of its proper divisors (51214514).

87982222 is a wasteful number, since it uses less digits than its factorization.

87982222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792 (or 769 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 87982222 is about 9379.8839012005. The cubic root of 87982222 is about 444.7660631284.

It can be divided in two parts, 879822 and 22, that added together give a square (879844 = 938²).

The spelling of 87982222 in words is "eighty-seven million, nine hundred eighty-two thousand, two hundred twenty-two".