2122361860 has 48 divisors (see below), whose sum is σ = 4521404160. Its totient is φ = 836709120.

The previous prime is 2122361851. The next prime is 2122361861. The reversal of 2122361860 is 681632212.

It is not an unprimeable number, because it can be changed into a prime (2122361861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1432320 + ... + 1433800.

It is an arithmetic number, because the mean of its divisors is an integer number (94195920).

Almost surely, 2^2122361860 is an apocalyptic number.

2122361860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122361860 is an abundant number, since it is smaller than the sum of its proper divisors (2399042300).

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

2122361860 is a wasteful number, since it uses less digits than its factorization.

2122361860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2476 (or 2474 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2122361860 is about 46069.0987539370. The cubic root of 2122361860 is about 1285.1085435722.

The spelling of 2122361860 in words is "two billion, one hundred twenty-two million, three hundred sixty-one thousand, eight hundred sixty".