222387379 has 2 divisors, whose sum is σ = 222387380. Its totient is φ = 222387378.

The previous prime is 222387371. The next prime is 222387413. The reversal of 222387379 is 973783222.

222387379 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 222387379 - 2³ = 222387371 is a prime.

It is a super-2 number, since 2×222387379² = 98912292676979282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222387371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111193689 + 111193690.

It is an arithmetic number, because the mean of its divisors is an integer number (111193690).

Almost surely, 2^222387379 is an apocalyptic number.

222387379 is a deficient number, since it is larger than the sum of its proper divisors (1).

222387379 is an equidigital number, since it uses as much as digits as its factorization.

222387379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 43.

The square root of 222387379 is about 14912.6583478600. The cubic root of 222387379 is about 605.8568820098.

The spelling of 222387379 in words is "two hundred twenty-two million, three hundred eighty-seven thousand, three hundred seventy-nine".