2188046652 has 48 divisors (see below), whose sum is σ = 5720115072. Its totient is φ = 645122880.

The previous prime is 2188046633. The next prime is 2188046687. The reversal of 2188046652 is 2566408812.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219118 + ... + 228885.

It is an arithmetic number, because the mean of its divisors is an integer number (119169064).

Almost surely, 2^2188046652 is an apocalyptic number.

2188046652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2188046652 is an abundant number, since it is smaller than the sum of its proper divisors (3532068420).

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

2188046652 is a wasteful number, since it uses less digits than its factorization.

2188046652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448058 (or 448056 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 2188046652 is about 46776.5609253181. The cubic root of 2188046652 is about 1298.2316493056.

It can be divided in two parts, 218804 and 6652, that added together give a triangular number (225456 = T₆₇₁).

The spelling of 2188046652 in words is "two billion, one hundred eighty-eight million, forty-six thousand, six hundred fifty-two".