52220022 has 16 divisors (see below), whose sum is σ = 110583792. Its totient is φ = 16382720.

The previous prime is 52220011. The next prime is 52220023. The reversal of 52220022 is 22002225.

52220022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 52219983 and 52220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52220023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255879 + ... + 256082.

It is an arithmetic number, because the mean of its divisors is an integer number (6911487).

Almost surely, 2^52220022 is an apocalyptic number.

52220022 is an abundant number, since it is smaller than the sum of its proper divisors (58363770).

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

52220022 is a wasteful number, since it uses less digits than its factorization.

52220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511983.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 52220022 is about 7226.3422282646. The cubic root of 52220022 is about 373.7768073597.

Adding to 52220022 its reverse (22002225), we get a palindrome (74222247).

The spelling of 52220022 in words is "fifty-two million, two hundred twenty thousand, twenty-two".