32220868 has 12 divisors (see below), whose sum is σ = 56429100. Its totient is φ = 16098272.

The previous prime is 32220863. The next prime is 32220869. The reversal of 32220868 is 86802223.

It can be written as a sum of positive squares in 2 ways, for example, as 24920064 + 7300804 = 4992^2 + 2702^2 .

It is not an unprimeable number, because it can be changed into a prime (32220863) 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, 5730 + ... + 9862.

It is an arithmetic number, because the mean of its divisors is an integer number (4702425).

Almost surely, 2^32220868 is an apocalyptic number.

It is an amenable number.

32220868 is a deficient number, since it is larger than the sum of its proper divisors (24208232).

32220868 is a wasteful number, since it uses less digits than its factorization.

32220868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6086 (or 6084 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 32220868 is about 5676.3428367215. The cubic root of 32220868 is about 318.2089656688.

It can be divided in two parts, 32 and 220868, that added together give a square (220900 = 470²).

The spelling of 32220868 in words is "thirty-two million, two hundred twenty thousand, eight hundred sixty-eight".