22850520 has 128 divisors (see below), whose sum is σ = 85501440. Its totient is φ = 4746240.

The previous prime is 22850467. The next prime is 22850549. The reversal of 22850520 is 2505822.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8004 + ... + 10476.

It is an arithmetic number, because the mean of its divisors is an integer number (667980).

Almost surely, 2^22850520 is an apocalyptic number.

22850520 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 22850520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42750720).

22850520 is an abundant number, since it is smaller than the sum of its proper divisors (62650920).

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

22850520 is a wasteful number, since it uses less digits than its factorization.

22850520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505 (or 2501 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 22850520 is about 4780.2217521784. The cubic root of 22850520 is about 283.7692697167.

The spelling of 22850520 in words is "twenty-two million, eight hundred fifty thousand, five hundred twenty".