22012122319 has 16 divisors (see below), whose sum is σ = 24393156480. Its totient is φ = 19696209760.

The previous prime is 22012122289. The next prime is 22012122323. The reversal of 22012122319 is 91322121022.

It is a cyclic number.

It is not a de Polignac number, because 22012122319 - 2¹³ = 22012114127 is a prime.

It is a super-2 number, since 2×22012122319² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22012122293 and 22012122302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22012132319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200784 + ... + 290410.

It is an arithmetic number, because the mean of its divisors is an integer number (1524572280).

Almost surely, 2^22012122319 is an apocalyptic number.

22012122319 is a deficient number, since it is larger than the sum of its proper divisors (2381034161).

22012122319 is a wasteful number, since it uses less digits than its factorization.

22012122319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89990.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 22012122319 in words is "twenty-two billion, twelve million, one hundred twenty-two thousand, three hundred nineteen".