22244000442 has 32 divisors (see below), whose sum is σ = 48023038080. Its totient is φ = 6847727040.

The previous prime is 22244000377. The next prime is 22244000453. The reversal of 22244000442 is 24400044222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2775109 + ... + 2783112.

It is an arithmetic number, because the mean of its divisors is an integer number (1500719940).

Almost surely, 2^22244000442 is an apocalyptic number.

22244000442 is an abundant number, since it is smaller than the sum of its proper divisors (25779037638).

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

22244000442 is a wasteful number, since it uses less digits than its factorization.

22244000442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5558278.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 22244000442 its reverse (24400044222), we get a palindrome (46644044664).

The spelling of 22244000442 in words is "twenty-two billion, two hundred forty-four million, four hundred forty-two", and thus it is an aban number.