52222986 has 24 divisors (see below), whose sum is σ = 113283300. Its totient is φ = 17387136.

The previous prime is 52222981. The next prime is 52222993. The reversal of 52222986 is 68922225.

It can be written as a sum of positive squares in 2 ways, for example, as 44555625 + 7667361 = 6675^2 + 2769^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52222986.

It is not an unprimeable number, because it can be changed into a prime (52222981) 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, 26946 + ... + 28818.

Almost surely, 2^52222986 is an apocalyptic number.

52222986 is an abundant number, since it is smaller than the sum of its proper divisors (61060314).

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

52222986 is a wasteful number, since it uses less digits than its factorization.

52222986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430 (or 3427 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 52222986 is about 7226.5473083624. The cubic root of 52222986 is about 373.7838790629.

The spelling of 52222986 in words is "fifty-two million, two hundred twenty-two thousand, nine hundred eighty-six".