222245442252 has 30 divisors (see below), whose sum is σ = 580993487228. Its totient is φ = 74081813976.

The previous prime is 222245442247. The next prime is 222245442269. The reversal of 222245442252 is 252244542222.

222245442252 is a `hidden beast` number, since 2 + 2 + 224 + 5 + 4 + 422 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 342971038 + ... + 342971685.

Almost surely, 2^222245442252 is an apocalyptic number.

It is an amenable number.

222245442252 is an abundant number, since it is smaller than the sum of its proper divisors (358748044976).

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

222245442252 is a wasteful number, since it uses less digits than its factorization.

222245442252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685942739 (or 685942728 counting only the distinct ones).

The product of its digits is 204800, while the sum is 36.

Adding to 222245442252 its reverse (252244542222), we get a palindrome (474489984474).

The spelling of 222245442252 in words is "two hundred twenty-two billion, two hundred forty-five million, four hundred forty-two thousand, two hundred fifty-two".