222239746979 has 8 divisors (see below), whose sum is σ = 232673106960. Its totient is φ = 211991048416.

The previous prime is 222239746961. The next prime is 222239747003. The reversal of 222239746979 is 979647932222.

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

It is a cyclic number.

It is not a de Polignac number, because 222239746979 - 2⁸ = 222239746723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222239746579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46162892 + ... + 46167705.

It is an arithmetic number, because the mean of its divisors is an integer number (29084138370).

Almost surely, 2^222239746979 is an apocalyptic number.

222239746979 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

222239746979 is a deficient number, since it is larger than the sum of its proper divisors (10433359981).

222239746979 is an equidigital number, since it uses as much as digits as its factorization.

222239746979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92330709.

The product of its digits is 41150592, while the sum is 62.

The spelling of 222239746979 in words is "two hundred twenty-two billion, two hundred thirty-nine million, seven hundred forty-six thousand, nine hundred seventy-nine".