22442468220 has 72 divisors (see below), whose sum is σ = 68106502464. Its totient is φ = 5981931648.

The previous prime is 22442468219. The next prime is 22442468227. The reversal of 22442468220 is 2286424422.

22442468220 is a `hidden beast` number, since 2 + 2 + 4 + 424 + 6 + 8 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22442468227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 384402 + ... + 438918.

Almost surely, 2^22442468220 is an apocalyptic number.

22442468220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22442468220 is an abundant number, since it is smaller than the sum of its proper divisors (45664034244).

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

22442468220 is a wasteful number, since it uses less digits than its factorization.

22442468220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56819 (or 56814 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 36.

The spelling of 22442468220 in words is "twenty-two billion, four hundred forty-two million, four hundred sixty-eight thousand, two hundred twenty".