22123000 has 32 divisors (see below), whose sum is σ = 51770160. Its totient is φ = 8848800.

The previous prime is 22122983. The next prime is 22123021. The reversal of 22123000 is 32122.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10062 + ... + 12061.

Almost surely, 2^22123000 is an apocalyptic number.

22123000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22123000 is an abundant number, since it is smaller than the sum of its proper divisors (29647160).

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

22123000 is a wasteful number, since it uses less digits than its factorization.

22123000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22144 (or 22130 counting only the distinct ones).

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

The square root of 22123000 is about 4703.5093281506. The cubic root of 22123000 is about 280.7251611284.

Adding to 22123000 its reverse (32122), we get a palindrome (22155122).

The spelling of 22123000 in words is "twenty-two million, one hundred twenty-three thousand".