222212950879 has 2 divisors, whose sum is σ = 222212950880. Its totient is φ = 222212950878.

The previous prime is 222212950871. The next prime is 222212950889. The reversal of 222212950879 is 978059212222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222212950879 - 2³ = 222212950871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222212950871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111106475439 + 111106475440.

It is an arithmetic number, because the mean of its divisors is an integer number (111106475440).

Almost surely, 2^222212950879 is an apocalyptic number.

222212950879 is a deficient number, since it is larger than the sum of its proper divisors (1).

222212950879 is an equidigital number, since it uses as much as digits as its factorization.

222212950879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 222212950879 in words is "two hundred twenty-two billion, two hundred twelve million, nine hundred fifty thousand, eight hundred seventy-nine".