22244445580 has 24 divisors (see below), whose sum is σ = 53386669728. Its totient is φ = 7626667008.

The previous prime is 22244445577. The next prime is 22244445589. The reversal of 22244445580 is 8554444222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22244445589) 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, 79444309 + ... + 79444588.

It is an arithmetic number, because the mean of its divisors is an integer number (2224444572).

Almost surely, 2^22244445580 is an apocalyptic number.

22244445580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22244445580 is an abundant number, since it is smaller than the sum of its proper divisors (31142224148).

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

22244445580 is a wasteful number, since it uses less digits than its factorization.

22244445580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158888913 (or 158888911 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 40.

The spelling of 22244445580 in words is "twenty-two billion, two hundred forty-four million, four hundred forty-five thousand, five hundred eighty".