2200421220 has 48 divisors (see below), whose sum is σ = 6182998080. Its totient is φ = 584701056.

The previous prime is 2200421203. The next prime is 2200421221. The reversal of 2200421220 is 221240022.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2200421220.

It is not an unprimeable number, because it can be changed into a prime (2200421221) 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, 47815 + ... + 81774.

It is an arithmetic number, because the mean of its divisors is an integer number (128812460).

Almost surely, 2^2200421220 is an apocalyptic number.

2200421220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200421220 is an abundant number, since it is smaller than the sum of its proper divisors (3982576860).

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

2200421220 is a wasteful number, since it uses less digits than its factorization.

2200421220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129884 (or 129882 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2200421220 is about 46908.6476036136. The cubic root of 2200421220 is about 1300.6744468771.

Adding to 2200421220 its reverse (221240022), we get a palindrome (2421661242).

The spelling of 2200421220 in words is "two billion, two hundred million, four hundred twenty-one thousand, two hundred twenty".