2199995400 has 48 divisors (see below), whose sum is σ = 6819987600. Its totient is φ = 586665280.

The previous prime is 2199995377. The next prime is 2199995407. The reversal of 2199995400 is 45999912.

It is a self number, because there is not a number n which added to its sum of digits gives 2199995400.

It is not an unprimeable number, because it can be changed into a prime (2199995407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1832730 + ... + 1833929.

It is an arithmetic number, because the mean of its divisors is an integer number (142083075).

Almost surely, 2^2199995400 is an apocalyptic number.

2199995400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2199995400 is an abundant number, since it is smaller than the sum of its proper divisors (4619992200).

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

2199995400 is a wasteful number, since it uses less digits than its factorization.

2199995400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3666678 (or 3666669 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 48.

The square root of 2199995400 is about 46904.1085620439. The cubic root of 2199995400 is about 1300.5905403779.

The spelling of 2199995400 in words is "two billion, one hundred ninety-nine million, nine hundred ninety-five thousand, four hundred".