2182147557 has 32 divisors (see below), whose sum is σ = 3176692992. Its totient is φ = 1326818304.

The previous prime is 2182147529. The next prime is 2182147573. The reversal of 2182147557 is 7557412812.

It is not a de Polignac number, because 2182147557 - 2¹⁴ = 2182131173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2182137557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 494083 + ... + 498479.

It is an arithmetic number, because the mean of its divisors is an integer number (99271656).

Almost surely, 2^2182147557 is an apocalyptic number.

It is an amenable number.

2182147557 is a deficient number, since it is larger than the sum of its proper divisors (994545435).

2182147557 is a wasteful number, since it uses less digits than its factorization.

2182147557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4717.

The product of its digits is 156800, while the sum is 42.

The square root of 2182147557 is about 46713.4622673165. The cubic root of 2182147557 is about 1297.0638977505.

It can be divided in two parts, 21821 and 47557, that added together give a triangular number (69378 = T₃₇₂).

The spelling of 2182147557 in words is "two billion, one hundred eighty-two million, one hundred forty-seven thousand, five hundred fifty-seven".