22950840 has 64 divisors (see below), whose sum is σ = 75116160. Its totient is φ = 5563520.

The previous prime is 22950827. The next prime is 22950847. The reversal of 22950840 is 4805922.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 22950798 and 22950807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22950847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7374 + ... + 10013.

It is an arithmetic number, because the mean of its divisors is an integer number (1173690).

Almost surely, 2^22950840 is an apocalyptic number.

22950840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22950840 is an abundant number, since it is smaller than the sum of its proper divisors (52165320).

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

22950840 is a wasteful number, since it uses less digits than its factorization.

22950840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17412 (or 17408 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 22950840 is about 4790.7034973999. The cubic root of 22950840 is about 284.1839382390.

The spelling of 22950840 in words is "twenty-two million, nine hundred fifty thousand, eight hundred forty".