222448734225 has 36 divisors (see below), whose sum is σ = 401104489500. Its totient is φ = 117843070080.

The previous prime is 222448734199. The next prime is 222448734229. The reversal of 222448734225 is 522437844222.

222448734225 is a `hidden beast` number, since 2 + 224 + 4 + 87 + 342 + 2 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 91393149969 + 131055584256 = 302313^2 + 362016^2 .

It is not a de Polignac number, because 222448734225 - 2⁶ = 222448734161 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (222448734229) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3284130 + ... + 3351179.

It is an arithmetic number, because the mean of its divisors is an integer number (11141791375).

Almost surely, 2^222448734225 is an apocalyptic number.

222448734225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222448734225 is a deficient number, since it is larger than the sum of its proper divisors (178655755275).

222448734225 is a wasteful number, since it uses less digits than its factorization.

222448734225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6635474 (or 6635466 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 45.

The spelling of 222448734225 in words is "two hundred twenty-two billion, four hundred forty-eight million, seven hundred thirty-four thousand, two hundred twenty-five".