69428228 has 12 divisors (see below), whose sum is σ = 121559760. Its totient is φ = 34696872.

The previous prime is 69428213. The next prime is 69428231. The reversal of 69428228 is 82282496.

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, 10103 + ... + 15521.

It is an arithmetic number, because the mean of its divisors is an integer number (10129980).

Almost surely, 2^69428228 is an apocalyptic number.

It is an amenable number.

69428228 is a deficient number, since it is larger than the sum of its proper divisors (52131532).

69428228 is a wasteful number, since it uses less digits than its factorization.

69428228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8626 (or 8624 counting only the distinct ones).

The product of its digits is 110592, while the sum is 41.

The square root of 69428228 is about 8332.3602898579. The cubic root of 69428228 is about 411.0033486781.

The spelling of 69428228 in words is "sixty-nine million, four hundred twenty-eight thousand, two hundred twenty-eight".