2187185022 has 48 divisors (see below), whose sum is σ = 5172830208. Its totient is φ = 662383440.

The previous prime is 2187184999. The next prime is 2187185053. The reversal of 2187185022 is 2205817812.

It is a super-2 number, since 2×2187185022² = 9567556640922280968, 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 23 ways as a sum of consecutive naturals, for example, 608643 + ... + 612225.

It is an arithmetic number, because the mean of its divisors is an integer number (107767296).

Almost surely, 2^2187185022 is an apocalyptic number.

2187185022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2187185022 is an abundant number, since it is smaller than the sum of its proper divisors (2985645186).

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

2187185022 is a wasteful number, since it uses less digits than its factorization.

2187185022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6685 (or 6682 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 2187185022 is about 46767.3499569946. The cubic root of 2187185022 is about 1298.0612168947.

The spelling of 2187185022 in words is "two billion, one hundred eighty-seven million, one hundred eighty-five thousand, twenty-two".