222877797 has 8 divisors (see below), whose sum is σ = 310090944. Its totient is φ = 142124928.

The previous prime is 222877793. The next prime is 222877813. The reversal of 222877797 is 797778222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222877797 - 2² = 222877793 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222877793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1614988 + ... + 1615125.

It is an arithmetic number, because the mean of its divisors is an integer number (38761368).

Almost surely, 2^222877797 is an apocalyptic number.

It is an amenable number.

222877797 is a deficient number, since it is larger than the sum of its proper divisors (87213147).

222877797 is a wasteful number, since it uses less digits than its factorization.

222877797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230139.

The product of its digits is 1382976, while the sum is 51.

The square root of 222877797 is about 14929.0923032849. The cubic root of 222877797 is about 606.3019087306.

The spelling of 222877797 in words is "two hundred twenty-two million, eight hundred seventy-seven thousand, seven hundred ninety-seven".