222889357 has 4 divisors (see below), whose sum is σ = 223592796. Its totient is φ = 222185920.

The previous prime is 222889333. The next prime is 222889379. The reversal of 222889357 is 753988222.

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

It can be written as a sum of positive squares in 2 ways, for example, as 120758121 + 102131236 = 10989^2 + 10106^2 .

It is a cyclic number.

It is not a de Polignac number, because 222889357 - 2⁷ = 222889229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222889307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 351244 + ... + 351877.

It is an arithmetic number, because the mean of its divisors is an integer number (55898199).

Almost surely, 2^222889357 is an apocalyptic number.

It is an amenable number.

222889357 is a deficient number, since it is larger than the sum of its proper divisors (703439).

222889357 is an equidigital number, since it uses as much as digits as its factorization.

222889357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703438.

The product of its digits is 483840, while the sum is 46.

The square root of 222889357 is about 14929.4794617897. The cubic root of 222889357 is about 606.3123909007.

The spelling of 222889357 in words is "two hundred twenty-two million, eight hundred eighty-nine thousand, three hundred fifty-seven".