22245033920 has 84 divisors (see below), whose sum is σ = 53470554984. Its totient is φ = 8814873600.

The previous prime is 22245033917. The next prime is 22245033983. The reversal of 22245033920 is 2933054222.

It is a super-3 number, since 3×22245033920³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3798995 + ... + 3804845.

It is an arithmetic number, because the mean of its divisors is an integer number (636554226).

Almost surely, 2^22245033920 is an apocalyptic number.

22245033920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22245033920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26735277492).

22245033920 is an abundant number, since it is smaller than the sum of its proper divisors (31225521064).

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

22245033920 is an equidigital number, since it uses as much as digits as its factorization.

22245033920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6086 (or 5967 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 22245033920 in words is "twenty-two billion, two hundred forty-five million, thirty-three thousand, nine hundred twenty".