2263622720 has 28 divisors (see below), whose sum is σ = 5390252364. Its totient is φ = 905448960.

The previous prime is 2263622719. The next prime is 2263622747. The reversal of 2263622720 is 272263622.

It can be written as a sum of positive squares in 2 ways, for example, as 522396736 + 1741225984 = 22856^2 + 41728^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 3536591 + ... + 3537230.

It is an arithmetic number, because the mean of its divisors is an integer number (192509013).

Almost surely, 2^2263622720 is an apocalyptic number.

2263622720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2263622720 is an abundant number, since it is smaller than the sum of its proper divisors (3126629644).

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

2263622720 is an equidigital number, since it uses as much as digits as its factorization.

2263622720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7073838 (or 7073828 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 2263622720 is about 47577.5442829913. The cubic root of 2263622720 is about 1313.0099426789.

The spelling of 2263622720 in words is "two billion, two hundred sixty-three million, six hundred twenty-two thousand, seven hundred twenty".