22045415144 has 16 divisors (see below), whose sum is σ = 42668545920. Its totient is φ = 10667136240.

The previous prime is 22045415131. The next prime is 22045415179. The reversal of 22045415144 is 44151454022.

It is a self number, because there is not a number n which added to its sum of digits gives 22045415144.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44446154 + ... + 44446649.

It is an arithmetic number, because the mean of its divisors is an integer number (2666784120).

Almost surely, 2^22045415144 is an apocalyptic number.

It is an amenable number.

22045415144 is a deficient number, since it is larger than the sum of its proper divisors (20623130776).

22045415144 is a wasteful number, since it uses less digits than its factorization.

22045415144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88892840 (or 88892836 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 22045415144 its reverse (44151454022), we get a palindrome (66196869166).

The spelling of 22045415144 in words is "twenty-two billion, forty-five million, four hundred fifteen thousand, one hundred forty-four".