22022444604 has 48 divisors (see below), whose sum is σ = 51836037120. Its totient is φ = 7276689600.

The previous prime is 22022444603. The next prime is 22022444651. The reversal of 22022444604 is 40644422022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022444603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 855262 + ... + 880634.

It is an arithmetic number, because the mean of its divisors is an integer number (1079917440).

Almost surely, 2^22022444604 is an apocalyptic number.

It is an amenable number.

22022444604 is an abundant number, since it is smaller than the sum of its proper divisors (29813592516).

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

22022444604 is a wasteful number, since it uses less digits than its factorization.

22022444604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26010 (or 26008 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 22022444604 its reverse (40644422022), we get a palindrome (62666866626).

The spelling of 22022444604 in words is "twenty-two billion, twenty-two million, four hundred forty-four thousand, six hundred four".