222207385 has 16 divisors (see below), whose sum is σ = 274957056. Its totient is φ = 172266048.

The previous prime is 222207383. The next prime is 222207389. The reversal of 222207385 is 583702222.

It is a cyclic number.

It is not a de Polignac number, because 222207385 - 2¹ = 222207383 is a prime.

It is a super-2 number, since 2×222207385² = 98752243897076450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222207383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46372 + ... + 50938.

It is an arithmetic number, because the mean of its divisors is an integer number (17184816).

Almost surely, 2^222207385 is an apocalyptic number.

It is an amenable number.

222207385 is a deficient number, since it is larger than the sum of its proper divisors (52749671).

222207385 is a wasteful number, since it uses less digits than its factorization.

222207385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4872.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 222207385 is about 14906.6221861292. The cubic root of 222207385 is about 605.6933834663.

The spelling of 222207385 in words is "two hundred twenty-two million, two hundred seven thousand, three hundred eighty-five".