22222213044 has 24 divisors (see below), whose sum is σ = 52508184960. Its totient is φ = 7313639424.

The previous prime is 22222213037. The next prime is 22222213049. The reversal of 22222213044 is 44031222222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222213049) 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, 11719629 + ... + 11721524.

It is an arithmetic number, because the mean of its divisors is an integer number (2187841040).

Almost surely, 2^22222213044 is an apocalyptic number.

It is an amenable number.

22222213044 is an abundant number, since it is smaller than the sum of its proper divisors (30285971916).

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

22222213044 is a wasteful number, since it uses less digits than its factorization.

22222213044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23441239 (or 23441237 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 22222213044 its reverse (44031222222), we get a palindrome (66253435266).

The spelling of 22222213044 in words is "twenty-two billion, two hundred twenty-two million, two hundred thirteen thousand, forty-four".