2188297536 has 28 divisors (see below), whose sum is σ = 5789871072. Its totient is φ = 729432448.

The previous prime is 2188297523. The next prime is 2188297541. The reversal of 2188297536 is 6357928812.

It is a super-2 number, since 2×2188297536² = 9577292212127342592, which contains 22 as substring.

It is a congruent number.

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, 5698500 + ... + 5698883.

Almost surely, 2^2188297536 is an apocalyptic number.

It is an amenable number.

2188297536 is an abundant number, since it is smaller than the sum of its proper divisors (3601573536).

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

2188297536 is a wasteful number, since it uses less digits than its factorization.

2188297536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11397398 (or 11397388 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 2188297536 is about 46779.2425761683. The cubic root of 2188297536 is about 1298.2812663314.

The spelling of 2188297536 in words is "two billion, one hundred eighty-eight million, two hundred ninety-seven thousand, five hundred thirty-six".