22021122322 has 32 divisors (see below), whose sum is σ = 35490985920. Its totient is φ = 10215541440.

The previous prime is 22021122313. The next prime is 22021122337. The reversal of 22021122322 is 22322112022.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 22021122322.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1124172 + ... + 1143592.

It is an arithmetic number, because the mean of its divisors is an integer number (1109093310).

Almost surely, 2^22021122322 is an apocalyptic number.

22021122322 is a deficient number, since it is larger than the sum of its proper divisors (13469863598).

22021122322 is a wasteful number, since it uses less digits than its factorization.

22021122322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20058.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22021122322 its reverse (22322112022), we get a palindrome (44343234344).

The spelling of 22021122322 in words is "twenty-two billion, twenty-one million, one hundred twenty-two thousand, three hundred twenty-two".