22794220 has 24 divisors (see below), whose sum is σ = 49163184. Its totient is φ = 8870976.

The previous prime is 22794217. The next prime is 22794221. The reversal of 22794220 is 2249722.

It is not an unprimeable number, because it can be changed into a prime (22794221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14662 + ... + 16141.

It is an arithmetic number, because the mean of its divisors is an integer number (2048466).

Almost surely, 2^22794220 is an apocalyptic number.

22794220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22794220 is an abundant number, since it is smaller than the sum of its proper divisors (26368964).

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

22794220 is a wasteful number, since it uses less digits than its factorization.

22794220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30849 (or 30847 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 22794220 is about 4774.3292722643. The cubic root of 22794220 is about 283.5360241303.

The spelling of 22794220 in words is "twenty-two million, seven hundred ninety-four thousand, two hundred twenty".