222321879 has 48 divisors (see below), whose sum is σ = 356428800. Its totient is φ = 132694848.

The previous prime is 222321833. The next prime is 222321889. The reversal of 222321879 is 978123222.

222321879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222321879 - 2¹³ = 222313687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222321809) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 619102 + ... + 619460.

It is an arithmetic number, because the mean of its divisors is an integer number (7425600).

Almost surely, 2^222321879 is an apocalyptic number.

222321879 is a deficient number, since it is larger than the sum of its proper divisors (134106921).

222321879 is a wasteful number, since it uses less digits than its factorization.

222321879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524 (or 521 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 222321879 is about 14910.4620652748. The cubic root of 222321879 is about 605.7973949373.

The spelling of 222321879 in words is "two hundred twenty-two million, three hundred twenty-one thousand, eight hundred seventy-nine".