222955907 has 4 divisors (see below), whose sum is σ = 223113576. Its totient is φ = 222798240.

The previous prime is 222955897. The next prime is 222955913. The reversal of 222955907 is 709559222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222955907 - 2¹⁴ = 222939523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222955507) 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 in 3 ways as a sum of consecutive naturals, for example, 76694 + ... + 79547.

It is an arithmetic number, because the mean of its divisors is an integer number (55778394).

Almost surely, 2^222955907 is an apocalyptic number.

222955907 is a deficient number, since it is larger than the sum of its proper divisors (157669).

222955907 is a wasteful number, since it uses less digits than its factorization.

222955907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157668.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 222955907 is about 14931.7081072461. The cubic root of 222955907 is about 606.3727288712.

The spelling of 222955907 in words is "two hundred twenty-two million, nine hundred fifty-five thousand, nine hundred seven".