2263888520 has 16 divisors (see below), whose sum is σ = 5093749260. Its totient is φ = 905555392.

The previous prime is 2263888507. The next prime is 2263888537. The reversal of 2263888520 is 258883622.

It can be written as a sum of positive squares in 2 ways, for example, as 1957708516 + 306180004 = 44246^2 + 17498^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28298567 + ... + 28298646.

Almost surely, 2^2263888520 is an apocalyptic number.

2263888520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2263888520 is an abundant number, since it is smaller than the sum of its proper divisors (2829860740).

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

2263888520 is a wasteful number, since it uses less digits than its factorization.

2263888520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56597224 (or 56597220 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 2263888520 is about 47580.3375355829. The cubic root of 2263888520 is about 1313.0613329246.

The spelling of 2263888520 in words is "two billion, two hundred sixty-three million, eight hundred eighty-eight thousand, five hundred twenty".