2200042400 has 36 divisors (see below), whose sum is σ = 5370855462. Its totient is φ = 880016640.

The previous prime is 2200042393. The next prime is 2200042421. The reversal of 2200042400 is 42400022.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2142949264 + 57093136 = 46292^2 + 7556^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1374227 + ... + 1375826.

Almost surely, 2^2200042400 is an apocalyptic number.

2200042400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200042400 is an abundant number, since it is smaller than the sum of its proper divisors (3170813062).

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

2200042400 is a wasteful number, since it uses less digits than its factorization.

2200042400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750073 (or 2750060 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 2200042400 is about 46904.6095815752. The cubic root of 2200042400 is about 1300.5998021125.

Adding to 2200042400 its reverse (42400022), we get a palindrome (2242442422).

The spelling of 2200042400 in words is "two billion, two hundred million, forty-two thousand, four hundred".