2294881920 has 96 divisors (see below), whose sum is σ = 7924534020. Its totient is φ = 611966976.

The previous prime is 2294881913. The next prime is 2294881937. The reversal of 2294881920 is 291884922.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2099105856 + 195776064 = 45816^2 + 13992^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193449 + ... + 204968.

Almost surely, 2^2294881920 is an apocalyptic number.

2294881920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2294881920 is an abundant number, since it is smaller than the sum of its proper divisors (5629652100).

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

2294881920 is a wasteful number, since it uses less digits than its factorization.

2294881920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398442 (or 398427 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 2294881920 is about 47904.9258427565. The cubic root of 2294881920 is about 1319.0262791397.

The spelling of 2294881920 in words is "two billion, two hundred ninety-four million, eight hundred eighty-one thousand, nine hundred twenty".