220522044 has 12 divisors (see below), whose sum is σ = 514551464. Its totient is φ = 73507344.

The previous prime is 220522021. The next prime is 220522051. The reversal of 220522044 is 440225022.

220522044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 220522044.

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, 9188407 + ... + 9188430.

Almost surely, 2^220522044 is an apocalyptic number.

It is an amenable number.

220522044 is an abundant number, since it is smaller than the sum of its proper divisors (294029420).

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

220522044 is a wasteful number, since it uses less digits than its factorization.

220522044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18376844 (or 18376842 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 220522044 is about 14849.9846464567. The cubic root of 220522044 is about 604.1581935828.

Adding to 220522044 its reverse (440225022), we get a palindrome (660747066).

The spelling of 220522044 in words is "two hundred twenty million, five hundred twenty-two thousand, forty-four".