22123452 has 36 divisors (see below), whose sum is σ = 55902840. Its totient is φ = 6806592.

The previous prime is 22123421. The next prime is 22123481. The reversal of 22123452 is 25432122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3427 + ... + 7482.

Almost surely, 2^22123452 is an apocalyptic number.

It is an amenable number.

22123452 is an abundant number, since it is smaller than the sum of its proper divisors (33779388).

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

22123452 is a wasteful number, since it uses less digits than its factorization.

22123452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10942 (or 10927 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 22123452 is about 4703.5573771349. The cubic root of 22123452 is about 280.7270729684.

Adding to 22123452 its reverse (25432122), we get a palindrome (47555574).

The spelling of 22123452 in words is "twenty-two million, one hundred twenty-three thousand, four hundred fifty-two".