222402379 has 2 divisors, whose sum is σ = 222402380. Its totient is φ = 222402378.

The previous prime is 222402373. The next prime is 222402437. The reversal of 222402379 is 973204222.

222402379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222402379 - 2⁷ = 222402251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222402379.

It is not a weakly prime, because it can be changed into another prime (222402373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111201189 + 111201190.

It is an arithmetic number, because the mean of its divisors is an integer number (111201190).

Almost surely, 2^222402379 is an apocalyptic number.

222402379 is a deficient number, since it is larger than the sum of its proper divisors (1).

222402379 is an equidigital number, since it uses as much as digits as its factorization.

222402379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 222402379 is about 14913.1612678198. The cubic root of 222402379 is about 605.8705033597.

The spelling of 222402379 in words is "two hundred twenty-two million, four hundred two thousand, three hundred seventy-nine".