22023000 has 96 divisors (see below), whose sum is σ = 74468160. Its totient is φ = 5870400.

The previous prime is 22022999. The next prime is 22023019. The reversal of 22023000 is 32022.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

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, 7777 + ... + 10223.

It is an arithmetic number, because the mean of its divisors is an integer number (775710).

Almost surely, 2^22023000 is an apocalyptic number.

22023000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22023000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37234080).

22023000 is an abundant number, since it is smaller than the sum of its proper divisors (52445160).

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

22023000 is a wasteful number, since it uses less digits than its factorization.

22023000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2474 (or 2457 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 9.

The square root of 22023000 is about 4692.8669275828. The cubic root of 22023000 is about 280.3015458820.

Adding to 22023000 its reverse (32022), we get a palindrome (22055022).

It can be divided in two parts, 220 and 23000, that added together give a triangular number (23220 = T₂₁₅).

The spelling of 22023000 in words is "twenty-two million, twenty-three thousand".