222772245201125 has 16 divisors (see below), whose sum is σ = 278023670848560. Its totient is φ = 178215290496000.

The previous prime is 222772245201091. The next prime is 222772245201199. The reversal of 222772245201125 is 521102542277222.

It can be written as a sum of positive squares in 8 ways, for example, as 193466901740644 + 29305343460481 = 13909238^2 + 5413441^2 .

It is a de Polignac number, because none of the positive numbers 2^k-222772245201125 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3576536 + ... + 21408785.

It is an arithmetic number, because the mean of its divisors is an integer number (17376479428035).

Almost surely, 2^{222772245201125} is an apocalyptic number.

222772245201125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

222772245201125 is a deficient number, since it is larger than the sum of its proper divisors (55251425647435).

222772245201125 is an equidigital number, since it uses as much as digits as its factorization.

222772245201125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25056665 (or 25056655 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 44.

Adding to 222772245201125 its reverse (521102542277222), we get a palindrome (743874787478347).

The spelling of 222772245201125 in words is "two hundred twenty-two trillion, seven hundred seventy-two billion, two hundred forty-five million, two hundred one thousand, one hundred twenty-five".