222868791 has 12 divisors (see below), whose sum is σ = 322052640. Its totient is φ = 148518720.

The previous prime is 222868777. The next prime is 222868843. The reversal of 222868791 is 197868222.

It is not a de Polignac number, because 222868791 - 2⁷ = 222868663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222868771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35250 + ... + 41088.

It is an arithmetic number, because the mean of its divisors is an integer number (26837720).

Almost surely, 2^222868791 is an apocalyptic number.

222868791 is a deficient number, since it is larger than the sum of its proper divisors (99183849).

222868791 is a wasteful number, since it uses less digits than its factorization.

222868791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10086 (or 10083 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 222868791 is about 14928.7906743982. The cubic root of 222868791 is about 606.2937421799.

The spelling of 222868791 in words is "two hundred twenty-two million, eight hundred sixty-eight thousand, seven hundred ninety-one".