22423152 has 40 divisors (see below), whose sum is σ = 58098960. Its totient is φ = 7452160.

The previous prime is 22423133. The next prime is 22423169. The reversal of 22423152 is 25132422.

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 7 ways as a sum of consecutive naturals, for example, 26902 + ... + 27722.

It is an arithmetic number, because the mean of its divisors is an integer number (1452474).

Almost surely, 2^22423152 is an apocalyptic number.

It is an amenable number.

22423152 is an abundant number, since it is smaller than the sum of its proper divisors (35675808).

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

22423152 is a wasteful number, since it uses less digits than its factorization.

22423152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401 (or 1395 counting only the distinct ones).

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

The square root of 22423152 is about 4735.3090712223. The cubic root of 22423152 is about 281.9890343304.

Adding to 22423152 its reverse (25132422), we get a palindrome (47555574).

The spelling of 22423152 in words is "twenty-two million, four hundred twenty-three thousand, one hundred fifty-two".