222505793 has 2 divisors, whose sum is σ = 222505794. Its totient is φ = 222505792.

The previous prime is 222505781. The next prime is 222505831. The reversal of 222505793 is 397505222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221176384 + 1329409 = 14872^2 + 1153^2 .

It is a cyclic number.

It is not a de Polignac number, because 222505793 - 2¹⁸ = 222243649 is a prime.

It is not a weakly prime, because it can be changed into another prime (222505763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111252896 + 111252897.

It is an arithmetic number, because the mean of its divisors is an integer number (111252897).

Almost surely, 2^222505793 is an apocalyptic number.

It is an amenable number.

222505793 is a deficient number, since it is larger than the sum of its proper divisors (1).

222505793 is an equidigital number, since it uses as much as digits as its factorization.

222505793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 222505793 is about 14916.6280707136. The cubic root of 222505793 is about 605.9643959157.

The spelling of 222505793 in words is "two hundred twenty-two million, five hundred five thousand, seven hundred ninety-three".