52220663 has 8 divisors (see below), whose sum is σ = 57024000. Its totient is φ = 47426680.

The previous prime is 52220657. The next prime is 52220717. The reversal of 52220663 is 36602225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52220663 - 2²⁰ = 51172087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52220633) 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, 14906 + ... + 18072.

It is an arithmetic number, because the mean of its divisors is an integer number (7128000).

Almost surely, 2^52220663 is an apocalyptic number.

52220663 is a deficient number, since it is larger than the sum of its proper divisors (4803337).

52220663 is a wasteful number, since it uses less digits than its factorization.

52220663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4677.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 52220663 is about 7226.3865797506. The cubic root of 52220663 is about 373.7783367217.

Adding to 52220663 its reverse (36602225), we get a palindrome (88822888).

The spelling of 52220663 in words is "fifty-two million, two hundred twenty thousand, six hundred sixty-three".