222303379 has 2 divisors, whose sum is σ = 222303380. Its totient is φ = 222303378.

The previous prime is 222303331. The next prime is 222303391. The reversal of 222303379 is 973303222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222303379 - 2⁹ = 222302867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222303379.

It is not a weakly prime, because it can be changed into another prime (222303079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111151689 + 111151690.

It is an arithmetic number, because the mean of its divisors is an integer number (111151690).

Almost surely, 2^222303379 is an apocalyptic number.

222303379 is a deficient number, since it is larger than the sum of its proper divisors (1).

222303379 is an equidigital number, since it uses as much as digits as its factorization.

222303379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 222303379 is about 14909.8416825934. The cubic root of 222303379 is about 605.7805911290.

It can be divided in two parts, 222 and 303379, that added together give a square (303601 = 551²).

The spelling of 222303379 in words is "two hundred twenty-two million, three hundred three thousand, three hundred seventy-nine".