22775404220 has 48 divisors (see below), whose sum is σ = 50672508768. Its totient is φ = 8569067520.

The previous prime is 22775404207. The next prime is 22775404273. The reversal of 22775404220 is 2240457722.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 565679 + ... + 604601.

It is an arithmetic number, because the mean of its divisors is an integer number (1055677266).

Almost surely, 2^22775404220 is an apocalyptic number.

22775404220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22775404220 is an abundant number, since it is smaller than the sum of its proper divisors (27897104548).

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

22775404220 is a wasteful number, since it uses less digits than its factorization.

22775404220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40670 (or 40668 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 35.

The spelling of 22775404220 in words is "twenty-two billion, seven hundred seventy-five million, four hundred four thousand, two hundred twenty".