22482820 has 12 divisors (see below), whose sum is σ = 47213964. Its totient is φ = 8993120.

The previous prime is 22482797. The next prime is 22482827. The reversal of 22482820 is 2828422.

It can be written as a sum of positive squares in 2 ways, for example, as 15888196 + 6594624 = 3986^2 + 2568^2 .

It is not an unprimeable number, because it can be changed into a prime (22482827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 562051 + ... + 562090.

It is an arithmetic number, because the mean of its divisors is an integer number (3934497).

Almost surely, 2^22482820 is an apocalyptic number.

22482820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22482820 is an abundant number, since it is smaller than the sum of its proper divisors (24731144).

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

22482820 is a wasteful number, since it uses less digits than its factorization.

22482820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124150 (or 1124148 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 22482820 is about 4741.6052134272. The cubic root of 22482820 is about 282.2389370398.

The spelling of 22482820 in words is "twenty-two million, four hundred eighty-two thousand, eight hundred twenty".