22023100 has 36 divisors (see below), whose sum is σ = 52137288. Its totient is φ = 8008000.

The previous prime is 22023091. The next prime is 22023149. The reversal of 22023100 is 132022.

It is a super-2 number, since 2×22023100² = 970033867220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8911 + ... + 11110.

It is an arithmetic number, because the mean of its divisors is an integer number (1448258).

Almost surely, 2^22023100 is an apocalyptic number.

22023100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22023100 is an abundant number, since it is smaller than the sum of its proper divisors (30114188).

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

22023100 is a wasteful number, since it uses less digits than its factorization.

22023100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20046 (or 20039 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 22023100 is about 4692.8775820386. The cubic root of 22023100 is about 280.3019701371.

Adding to 22023100 its reverse (132022), we get a palindrome (22155122).

The spelling of 22023100 in words is "twenty-two million, twenty-three thousand, one hundred".