69636228 has 12 divisors (see below), whose sum is σ = 162484560. Its totient is φ = 23212072.

The previous prime is 69636211. The next prime is 69636241. The reversal of 69636228 is 82263696.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 69636228.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2901498 + ... + 2901521.

It is an arithmetic number, because the mean of its divisors is an integer number (13540380).

Almost surely, 2^69636228 is an apocalyptic number.

It is an amenable number.

69636228 is an abundant number, since it is smaller than the sum of its proper divisors (92848332).

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

69636228 is a wasteful number, since it uses less digits than its factorization.

69636228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5803026 (or 5803024 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 69636228 is about 8344.8324129368. The cubic root of 69636228 is about 411.4133810667.

The spelling of 69636228 in words is "sixty-nine million, six hundred thirty-six thousand, two hundred twenty-eight".