2221425200 has 60 divisors (see below), whose sum is σ = 5416695720. Its totient is φ = 875297280.

The previous prime is 2221425191. The next prime is 2221425229. The reversal of 2221425200 is 25241222.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14645 + ... + 68244.

It is an arithmetic number, because the mean of its divisors is an integer number (90278262).

Almost surely, 2^2221425200 is an apocalyptic number.

2221425200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221425200 is an abundant number, since it is smaller than the sum of its proper divisors (3195270520).

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

2221425200 is a wasteful number, since it uses less digits than its factorization.

2221425200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82974 (or 82963 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 2221425200 is about 47131.9976236951. The cubic root of 2221425200 is about 1304.7998499088.

Adding to 2221425200 its reverse (25241222), we get a palindrome (2246666422).

The spelling of 2221425200 in words is "two billion, two hundred twenty-one million, four hundred twenty-five thousand, two hundred".