2222549920 has 96 divisors (see below), whose sum is σ = 5359374720. Its totient is φ = 870804480.

The previous prime is 2222549887. The next prime is 2222549939. The reversal of 2222549920 is 299452222.

It is a self number, because there is not a number n which added to its sum of digits gives 2222549920.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2032894 + ... + 2033986.

It is an arithmetic number, because the mean of its divisors is an integer number (55826820).

Almost surely, 2^2222549920 is an apocalyptic number.

2222549920 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 2222549920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2679687360).

2222549920 is an abundant number, since it is smaller than the sum of its proper divisors (3136824800).

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

2222549920 is a wasteful number, since it uses less digits than its factorization.

2222549920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358 (or 1350 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 2222549920 is about 47143.9277107880. The cubic root of 2222549920 is about 1305.0200219082.

The spelling of 2222549920 in words is "two billion, two hundred twenty-two million, five hundred forty-nine thousand, nine hundred twenty".