52220356 has 12 divisors (see below), whose sum is σ = 91796992. Its totient is φ = 25992648.

The previous prime is 52220353. The next prime is 52220359. The reversal of 52220356 is 65302225.

It is an interprime number because it is at equal distance from previous prime (52220353) and next prime (52220359).

It is a self number, because there is not a number n which added to its sum of digits gives 52220356.

It is not an unprimeable number, because it can be changed into a prime (52220353) 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, 28380 + ... + 30163.

Almost surely, 2^52220356 is an apocalyptic number.

It is an amenable number.

52220356 is a deficient number, since it is larger than the sum of its proper divisors (39576636).

52220356 is a wasteful number, since it uses less digits than its factorization.

52220356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58770 (or 58768 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 52220356 is about 7226.3653381212. The cubic root of 52220356 is about 373.7776042519. Note that the first 3 decimals are identical.

The spelling of 52220356 in words is "fifty-two million, two hundred twenty thousand, three hundred fifty-six".