22934520 has 192 divisors, whose sum is σ = 89856000. Its totient is φ = 4955904.

The previous prime is 22934503. The next prime is 22934533. The reversal of 22934520 is 2543922.

It is a Cunningham number, because it is equal to 4789²-1.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47641 + ... + 48119.

It is an arithmetic number, because the mean of its divisors is an integer number (468000).

Almost surely, 2^22934520 is an apocalyptic number.

22934520 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 22934520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44928000).

22934520 is an abundant number, since it is smaller than the sum of its proper divisors (66921480).

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

22934520 is a wasteful number, since it uses less digits than its factorization.

22934520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 22934520 is about 4788.9998955941. Note that the first 3 decimals coincide. The cubic root of 22934520 is about 284.1165626133.

The spelling of 22934520 in words is "twenty-two million, nine hundred thirty-four thousand, five hundred twenty".