22045012442 has 16 divisors (see below), whose sum is σ = 33240412800. Its totient is φ = 10965019248.

The previous prime is 22045012427. The next prime is 22045012499. The reversal of 22045012442 is 24421054022.

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, 273059 + ... + 344457.

It is an arithmetic number, because the mean of its divisors is an integer number (2077525800).

Almost surely, 2^22045012442 is an apocalyptic number.

22045012442 is a deficient number, since it is larger than the sum of its proper divisors (11195400358).

22045012442 is a wasteful number, since it uses less digits than its factorization.

22045012442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72205.

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 22045012442 its reverse (24421054022), we get a palindrome (46466066464).

The spelling of 22045012442 in words is "twenty-two billion, forty-five million, twelve thousand, four hundred forty-two".