2200400220 has 48 divisors (see below), whose sum is σ = 6193410048. Its totient is φ = 583698240.

The previous prime is 2200400173. The next prime is 2200400231. The reversal of 2200400220 is 220040022.

It is a happy number.

It is a super-2 number, since 2×2200400220² = 9683522256352096800, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 2200400196 and 2200400205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84544 + ... + 107463.

It is an arithmetic number, because the mean of its divisors is an integer number (129029376).

Almost surely, 2^2200400220 is an apocalyptic number.

2200400220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200400220 is an abundant number, since it is smaller than the sum of its proper divisors (3993009828).

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

2200400220 is a wasteful number, since it uses less digits than its factorization.

2200400220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192210 (or 192208 counting only the distinct ones).

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

The square root of 2200400220 is about 46908.4237637548. The cubic root of 2200400220 is about 1300.6703091465.

Adding to 2200400220 its reverse (220040022), we get a palindrome (2420440242).

The spelling of 2200400220 in words is "two billion, two hundred million, four hundred thousand, two hundred twenty".