222244002225 has 72 divisors (see below), whose sum is σ = 455161998720. Its totient is φ = 101545436160.

The previous prime is 222244002221. The next prime is 222244002241. The reversal of 222244002225 is 522200442222.

It is not a de Polignac number, because 222244002225 - 2² = 222244002221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222244002221) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3141796 + ... + 3211754.

Almost surely, 2^222244002225 is an apocalyptic number.

222244002225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222244002225 is an abundant number, since it is smaller than the sum of its proper divisors (232917996495).

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

222244002225 is a wasteful number, since it uses less digits than its factorization.

222244002225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71999 (or 71991 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

Adding to 222244002225 its reverse (522200442222), we get a palindrome (744444444447).

The spelling of 222244002225 in words is "two hundred twenty-two billion, two hundred forty-four million, two thousand, two hundred twenty-five".