2243923520 has 28 divisors (see below), whose sum is σ = 5343343644. Its totient is φ = 897569280.

The previous prime is 2243923501. The next prime is 2243923523. The reversal of 2243923520 is 253293422.

It can be written as a sum of positive squares in 2 ways, for example, as 930006016 + 1313917504 = 30496^2 + 36248^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2243923523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3505811 + ... + 3506450.

Almost surely, 2^2243923520 is an apocalyptic number.

2243923520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2243923520 is an abundant number, since it is smaller than the sum of its proper divisors (3099420124).

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

2243923520 is an equidigital number, since it uses as much as digits as its factorization.

2243923520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7012278 (or 7012268 counting only the distinct ones).

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

The square root of 2243923520 is about 47370.0698753971. The cubic root of 2243923520 is about 1309.1900126525.

The spelling of 2243923520 in words is "two billion, two hundred forty-three million, nine hundred twenty-three thousand, five hundred twenty".