52221022 has 16 divisors (see below), whose sum is σ = 89902080. Its totient is φ = 22285368.

The previous prime is 52221011. The next prime is 52221031. The reversal of 52221022 is 22012225.

It is a junction number, because it is equal to n+sod(n) for n = 52220987 and 52221005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4458 + ... + 11149.

It is an arithmetic number, because the mean of its divisors is an integer number (5618880).

Almost surely, 2^52221022 is an apocalyptic number.

52221022 is a deficient number, since it is larger than the sum of its proper divisors (37681058).

52221022 is a wasteful number, since it uses less digits than its factorization.

52221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15855.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 52221022 is about 7226.4114192315. The cubic root of 52221022 is about 373.7791932544.

Adding to 52221022 its reverse (22012225), we get a palindrome (74233247).

The spelling of 52221022 in words is "fifty-two million, two hundred twenty-one thousand, twenty-two".