22948220 has 24 divisors (see below), whose sum is σ = 49218624. Its totient is φ = 8983616.

The previous prime is 22948217. The next prime is 22948229. The reversal of 22948220 is 2284922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22948229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11267 + ... + 13146.

It is an arithmetic number, because the mean of its divisors is an integer number (2050776).

Almost surely, 2^22948220 is an apocalyptic number.

22948220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22948220 is an abundant number, since it is smaller than the sum of its proper divisors (26270404).

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

22948220 is a wasteful number, since it uses less digits than its factorization.

22948220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24469 (or 24467 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 22948220 is about 4790.4300433260. The cubic root of 22948220 is about 284.1731239616.

The spelling of 22948220 in words is "twenty-two million, nine hundred forty-eight thousand, two hundred twenty".