22449619158 has 16 divisors (see below), whose sum is σ = 44900756400. Its totient is φ = 7482953376.

The previous prime is 22449619139. The next prime is 22449619183. The reversal of 22449619158 is 85191694422.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22449619158.

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, 243216 + ... + 322572.

It is an arithmetic number, because the mean of its divisors is an integer number (2806297275).

Almost surely, 2^22449619158 is an apocalyptic number.

22449619158 is an abundant number, since it is smaller than the sum of its proper divisors (22451137242).

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

22449619158 is a wasteful number, since it uses less digits than its factorization.

22449619158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126511.

The product of its digits is 1244160, while the sum is 51.

The spelling of 22449619158 in words is "twenty-two billion, four hundred forty-nine million, six hundred nineteen thousand, one hundred fifty-eight".