52166622 has 16 divisors (see below), whose sum is σ = 108869760. Its totient is φ = 16632792.

The previous prime is 52166617. The next prime is 52166629. The reversal of 52166622 is 22666125.

It is a nialpdrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 52166622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52166629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188872 + ... + 189147.

It is an arithmetic number, because the mean of its divisors is an integer number (6804360).

Almost surely, 2^52166622 is an apocalyptic number.

52166622 is an abundant number, since it is smaller than the sum of its proper divisors (56703138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52166622 is a wasteful number, since it uses less digits than its factorization.

52166622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378047.

The product of its digits is 8640, while the sum is 30.

The square root of 52166622 is about 7222.6464678814. The cubic root of 52166622 is about 373.6493563158.

The spelling of 52166622 in words is "fifty-two million, one hundred sixty-six thousand, six hundred twenty-two".