22022275464 has 96 divisors (see below), whose sum is σ = 70688829120. Its totient is φ = 6292074816.

The previous prime is 22022275441. The next prime is 22022275481. The reversal of 22022275464 is 46457222022.

It is a super-2 number, since 2×22022275464² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 795559 + ... + 822774.

It is an arithmetic number, because the mean of its divisors is an integer number (736341970).

Almost surely, 2^22022275464 is an apocalyptic number.

22022275464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22022275464 is an abundant number, since it is smaller than the sum of its proper divisors (48666553656).

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

22022275464 is a wasteful number, since it uses less digits than its factorization.

22022275464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618361 (or 1618345 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

Adding to 22022275464 its reverse (46457222022), we get a palindrome (68479497486).

The spelling of 22022275464 in words is "twenty-two billion, twenty-two million, two hundred seventy-five thousand, four hundred sixty-four".