222866953 has 2 divisors, whose sum is σ = 222866954. Its totient is φ = 222866952.

The previous prime is 222866951. The next prime is 222867019. The reversal of 222866953 is 359668222.

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., 129686544 + 93180409 = 11388^2 + 9653^2 .

It is a cyclic number.

It is not a de Polignac number, because 222866953 - 2¹ = 222866951 is a prime.

Together with 222866951, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (222866951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111433476 + 111433477.

It is an arithmetic number, because the mean of its divisors is an integer number (111433477).

Almost surely, 2^222866953 is an apocalyptic number.

It is an amenable number.

222866953 is a deficient number, since it is larger than the sum of its proper divisors (1).

222866953 is an equidigital number, since it uses as much as digits as its factorization.

222866953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 43.

The square root of 222866953 is about 14928.7291153668. The cubic root of 222866953 is about 606.2920754728.

The spelling of 222866953 in words is "two hundred twenty-two million, eight hundred sixty-six thousand, nine hundred fifty-three".