2202200400 has 120 divisors (see below), whose sum is σ = 7469414784. Its totient is φ = 552704000.

The previous prime is 2202200359. The next prime is 2202200411. The reversal of 2202200400 is 40022022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

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, 33576 + ... + 74375.

Almost surely, 2^2202200400 is an apocalyptic number.

2202200400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202200400 is an abundant number, since it is smaller than the sum of its proper divisors (5267214384).

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

2202200400 is a wasteful number, since it uses less digits than its factorization.

2202200400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107989 (or 107978 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 2202200400 is about 46927.6080788271. The cubic root of 2202200400 is about 1301.0249116750.

Adding to 2202200400 its reverse (40022022), we get a palindrome (2242222422).

The spelling of 2202200400 in words is "two billion, two hundred two million, two hundred thousand, four hundred".