222772220597 has 2 divisors, whose sum is σ = 222772220598. Its totient is φ = 222772220596.

The previous prime is 222772220563. The next prime is 222772220617. The reversal of 222772220597 is 795022277222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112172076241 + 110600144356 = 334921^2 + 332566^2 .

It is a cyclic number.

It is not a de Polignac number, because 222772220597 - 2²² = 222768026293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222772220527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111386110298 + 111386110299.

It is an arithmetic number, because the mean of its divisors is an integer number (111386110299).

Almost surely, 2^222772220597 is an apocalyptic number.

It is an amenable number.

222772220597 is a deficient number, since it is larger than the sum of its proper divisors (1).

222772220597 is an equidigital number, since it uses as much as digits as its factorization.

222772220597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 222772220597 in words is "two hundred twenty-two billion, seven hundred seventy-two million, two hundred twenty thousand, five hundred ninety-seven".