22023213100 has 72 divisors (see below), whose sum is σ = 55386955008. Its totient is φ = 7444449600.

The previous prime is 22023213077. The next prime is 22023213133. The reversal of 22023213100 is 131232022.

It is a super-2 number, since 2×22023213100² (a number of 21 digits) contains 22 as substring.

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, 171862 + ... + 271261.

It is an arithmetic number, because the mean of its divisors is an integer number (769263264).

Almost surely, 2^22023213100 is an apocalyptic number.

22023213100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22023213100 is an abundant number, since it is smaller than the sum of its proper divisors (33363741908).

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

22023213100 is a wasteful number, since it uses less digits than its factorization.

22023213100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443215 (or 443208 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22023213100 its reverse (131232022), we get a palindrome (22154445122).

It can be divided in two parts, 220232 and 13100, that added together give a palindrome (233332).

The spelling of 22023213100 in words is "twenty-two billion, twenty-three million, two hundred thirteen thousand, one hundred".