222419879 has 16 divisors (see below), whose sum is σ = 252076320. Its totient is φ = 194396160.

The previous prime is 222419861. The next prime is 222419881. The reversal of 222419879 is 978914222.

It is a cyclic number.

It is not a de Polignac number, because 222419879 - 2¹² = 222415783 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 (222419809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80627 + ... + 83339.

It is an arithmetic number, because the mean of its divisors is an integer number (15754770).

Almost surely, 2^222419879 is an apocalyptic number.

222419879 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

222419879 is a deficient number, since it is larger than the sum of its proper divisors (29656441).

222419879 is a wasteful number, since it uses less digits than its factorization.

222419879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3010.

The product of its digits is 145152, while the sum is 44.

The square root of 222419879 is about 14913.7479863380. The cubic root of 222419879 is about 605.8863941606.

The spelling of 222419879 in words is "two hundred twenty-two million, four hundred nineteen thousand, eight hundred seventy-nine".