222247973 has 2 divisors, whose sum is σ = 222247974. Its totient is φ = 222247972.

The previous prime is 222247969. The next prime is 222247981. The reversal of 222247973 is 379742222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195384484 + 26863489 = 13978^2 + 5183^2 .

It is a cyclic number.

It is not a de Polignac number, because 222247973 - 2² = 222247969 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222247943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111123986 + 111123987.

It is an arithmetic number, because the mean of its divisors is an integer number (111123987).

Almost surely, 2^222247973 is an apocalyptic number.

It is an amenable number.

222247973 is a deficient number, since it is larger than the sum of its proper divisors (1).

222247973 is an equidigital number, since it uses as much as digits as its factorization.

222247973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 38.

The square root of 222247973 is about 14907.9835323225. The cubic root of 222247973 is about 605.7302595080.

The spelling of 222247973 in words is "two hundred twenty-two million, two hundred forty-seven thousand, nine hundred seventy-three".