502226428 has 12 divisors (see below), whose sum is σ = 958795992. Its totient is φ = 228284720.

The previous prime is 502226423. The next prime is 502226429. The reversal of 502226428 is 824622205.

It is a self number, because there is not a number n which added to its sum of digits gives 502226428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (502226423) 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, 5707075 + ... + 5707162.

It is an arithmetic number, because the mean of its divisors is an integer number (79899666).

Almost surely, 2^502226428 is an apocalyptic number.

It is an amenable number.

502226428 is a deficient number, since it is larger than the sum of its proper divisors (456569564).

502226428 is a wasteful number, since it uses less digits than its factorization.

502226428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11414252 (or 11414250 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 502226428 is about 22410.4089208564. The cubic root of 502226428 is about 794.8768597428.

The spelling of 502226428 in words is "five hundred two million, two hundred twenty-six thousand, four hundred twenty-eight".