32164228 has 6 divisors (see below), whose sum is σ = 56287406. Its totient is φ = 16082112.

The previous prime is 32164201. The next prime is 32164229. The reversal of 32164228 is 82246123.

It can be written as a sum of positive squares in only one way, i.e., 29073664 + 3090564 = 5392^2 + 1758^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32164196 and 32164205.

It is not an unprimeable number, because it can be changed into a prime (32164229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4020525 + ... + 4020532.

Almost surely, 2^32164228 is an apocalyptic number.

It is an amenable number.

32164228 is a deficient number, since it is larger than the sum of its proper divisors (24123178).

32164228 is a wasteful number, since it uses less digits than its factorization.

32164228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8041061 (or 8041059 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 32164228 is about 5671.3515144099. The cubic root of 32164228 is about 318.0223999621.

The spelling of 32164228 in words is "thirty-two million, one hundred sixty-four thousand, two hundred twenty-eight".