22474447422 has 16 divisors (see below), whose sum is σ = 51370165632. Its totient is φ = 6421270680.

The previous prime is 22474447337. The next prime is 22474447427.

22474447422 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 535105891 = 22474447422 / (2 + 2 + 4 + 7 + 4 + 4 + 4 + 7 + 4 + 2 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22474447427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267552904 + ... + 267552987.

It is an arithmetic number, because the mean of its divisors is an integer number (3210635352).

Almost surely, 2^22474447422 is an apocalyptic number.

22474447422 is an abundant number, since it is smaller than the sum of its proper divisors (28895718210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22474447422 is a wasteful number, since it uses less digits than its factorization.

22474447422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535105903.

The product of its digits is 802816, while the sum is 42.

The spelling of 22474447422 in words is "twenty-two billion, four hundred seventy-four million, four hundred forty-seven thousand, four hundred twenty-two".