22044223412 has 12 divisors (see below), whose sum is σ = 38581067616. Its totient is φ = 11021061240.

The previous prime is 22044223403. The next prime is 22044223423. The reversal of 22044223412 is 21432244022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214418 + ... + 300105.

It is an arithmetic number, because the mean of its divisors is an integer number (3215088968).

Almost surely, 2^22044223412 is an apocalyptic number.

It is an amenable number.

22044223412 is a deficient number, since it is larger than the sum of its proper divisors (16536844204).

22044223412 is a wasteful number, since it uses less digits than its factorization.

22044223412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525238 (or 525236 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 22044223412 its reverse (21432244022), we get a palindrome (43476467434).

The spelling of 22044223412 in words is "twenty-two billion, forty-four million, two hundred twenty-three thousand, four hundred twelve".