222623361 has 24 divisors (see below), whose sum is σ = 339300000. Its totient is φ = 140268672.

The previous prime is 222623351. The next prime is 222623407. The reversal of 222623361 is 163326222.

222623361 is a `hidden beast` number, since 2 + 2 + 2 + 623 + 36 + 1 = 666.

It is not a de Polignac number, because 222623361 - 2⁵ = 222623329 is a prime.

It is a super-2 number, since 2×222623361² = 99122321725872642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222623311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84025 + ... + 86633.

It is an arithmetic number, because the mean of its divisors is an integer number (14137500).

Almost surely, 2^222623361 is an apocalyptic number.

It is an amenable number.

222623361 is a deficient number, since it is larger than the sum of its proper divisors (116676639).

222623361 is a wasteful number, since it uses less digits than its factorization.

222623361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133 (or 3130 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 222623361 is about 14920.5683872968. The cubic root of 222623361 is about 606.0711039661.

Adding to 222623361 its reverse (163326222), we get a palindrome (385949583).

The spelling of 222623361 in words is "two hundred twenty-two million, six hundred twenty-three thousand, three hundred sixty-one".