52220668 has 12 divisors (see below), whose sum is σ = 96761952. Its totient is φ = 24574400.

The previous prime is 52220657. The next prime is 52220717. The reversal of 52220668 is 86602225.

It is a congruent number.

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, 383908 + ... + 384043.

It is an arithmetic number, because the mean of its divisors is an integer number (8063496).

Almost surely, 2^52220668 is an apocalyptic number.

It is an amenable number.

52220668 is a deficient number, since it is larger than the sum of its proper divisors (44541284).

52220668 is a wasteful number, since it uses less digits than its factorization.

52220668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767972 (or 767970 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 52220668 is about 7226.3869257050. The cubic root of 52220668 is about 373.7783486512.

The spelling of 52220668 in words is "fifty-two million, two hundred twenty thousand, six hundred sixty-eight".