22122605431 has 8 divisors (see below), whose sum is σ = 22363361280. Its totient is φ = 21882349272.

The previous prime is 22122605429. The next prime is 22122605441. The reversal of 22122605431 is 13450622122.

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

It is a cyclic number.

It is not a de Polignac number, because 22122605431 - 2¹ = 22122605429 is a prime.

It is a super-2 number, since 2×22122605431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22122605431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122605441) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 35551 + ... + 213328.

It is an arithmetic number, because the mean of its divisors is an integer number (2795420160).

Almost surely, 2^22122605431 is an apocalyptic number.

22122605431 is a deficient number, since it is larger than the sum of its proper divisors (240755849).

22122605431 is a wasteful number, since it uses less digits than its factorization.

22122605431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249845.

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 22122605431 in words is "twenty-two billion, one hundred twenty-two million, six hundred five thousand, four hundred thirty-one".