222501893 has 2 divisors, whose sum is σ = 222501894. Its totient is φ = 222501892.

The previous prime is 222501871. The next prime is 222501919. The reversal of 222501893 is 398105222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111978724 + 110523169 = 10582^2 + 10513^2 .

It is a cyclic number.

It is not a de Polignac number, because 222501893 - 2⁸ = 222501637 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222501863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111250946 + 111250947.

It is an arithmetic number, because the mean of its divisors is an integer number (111250947).

Almost surely, 2^222501893 is an apocalyptic number.

It is an amenable number.

222501893 is a deficient number, since it is larger than the sum of its proper divisors (1).

222501893 is an equidigital number, since it uses as much as digits as its factorization.

222501893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 222501893 is about 14916.4973435455. The cubic root of 222501893 is about 605.9608555210.

The spelling of 222501893 in words is "two hundred twenty-two million, five hundred one thousand, eight hundred ninety-three".