22123552 has 24 divisors (see below), whose sum is σ = 47516112. Its totient is φ = 10056000.

The previous prime is 22123547. The next prime is 22123603. The reversal of 22123552 is 25532122.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31074 + ... + 31777.

It is an arithmetic number, because the mean of its divisors is an integer number (1979838).

Almost surely, 2^22123552 is an apocalyptic number.

22123552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22123552 is an abundant number, since it is smaller than the sum of its proper divisors (25392560).

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

22123552 is a wasteful number, since it uses less digits than its factorization.

22123552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62872 (or 62864 counting only the distinct ones).

The product of its digits is 1200, while the sum is 22.

The square root of 22123552 is about 4703.5680073748. The cubic root of 22123552 is about 280.7274959383.

Adding to 22123552 its reverse (25532122), we get a palindrome (47655674).

The spelling of 22123552 in words is "twenty-two million, one hundred twenty-three thousand, five hundred fifty-two".