69902228 has 12 divisors (see below), whose sum is σ = 133449792. Its totient is φ = 31773720.

The previous prime is 69902227. The next prime is 69902237. The reversal of 69902228 is 82220996.

It is a junction number, because it is equal to n+sod(n) for n = 69902191 and 69902200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69902227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 794300 + ... + 794387.

It is an arithmetic number, because the mean of its divisors is an integer number (11120816).

Almost surely, 2^69902228 is an apocalyptic number.

It is an amenable number.

69902228 is a deficient number, since it is larger than the sum of its proper divisors (63547564).

69902228 is a wasteful number, since it uses less digits than its factorization.

69902228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588702 (or 1588700 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 69902228 is about 8360.7552290448. The cubic root of 69902228 is about 411.9365613827.

The spelling of 69902228 in words is "sixty-nine million, nine hundred two thousand, two hundred twenty-eight".