22212995422 has 4 divisors (see below), whose sum is σ = 33319493136. Its totient is φ = 11106497710.

The previous prime is 22212995383. The next prime is 22212995477. The reversal of 22212995422 is 22459921222.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5553248854 + ... + 5553248857.

It is an arithmetic number, because the mean of its divisors is an integer number (8329873284).

Almost surely, 2^22212995422 is an apocalyptic number.

22212995422 is a deficient number, since it is larger than the sum of its proper divisors (11106497714).

22212995422 is a wasteful number, since it uses less digits than its factorization.

22212995422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11106497713.

The product of its digits is 103680, while the sum is 40.

The spelling of 22212995422 in words is "twenty-two billion, two hundred twelve million, nine hundred ninety-five thousand, four hundred twenty-two".