22021011322 has 8 divisors (see below), whose sum is σ = 34170534900. Its totient is φ = 10630833024.

The previous prime is 22021011307. The next prime is 22021011373. The reversal of 22021011322 is 22311012022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21146685561 + 874325761 = 145419^2 + 29569^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22021011296 and 22021011305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189836247 + ... + 189836362.

Almost surely, 2^22021011322 is an apocalyptic number.

22021011322 is a deficient number, since it is larger than the sum of its proper divisors (12149523578).

22021011322 is a wasteful number, since it uses less digits than its factorization.

22021011322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379672640.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22021011322 its reverse (22311012022), we get a palindrome (44332023344).

The spelling of 22021011322 in words is "twenty-two billion, twenty-one million, eleven thousand, three hundred twenty-two".