222633623 has 2 divisors, whose sum is σ = 222633624. Its totient is φ = 222633622.

The previous prime is 222633601. The next prime is 222633673. The reversal of 222633623 is 326336222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222633623 - 2⁶ = 222633559 is a prime.

It is a super-2 number, since 2×222633623² = 99131460180212258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222633673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111316811 + 111316812.

It is an arithmetic number, because the mean of its divisors is an integer number (111316812).

Almost surely, 2^222633623 is an apocalyptic number.

222633623 is a deficient number, since it is larger than the sum of its proper divisors (1).

222633623 is an equidigital number, since it uses as much as digits as its factorization.

222633623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 29.

The square root of 222633623 is about 14920.9122710376. The cubic root of 222633623 is about 606.0804162654.

Adding to 222633623 its reverse (326336222), we get a palindrome (548969845).

The spelling of 222633623 in words is "two hundred twenty-two million, six hundred thirty-three thousand, six hundred twenty-three".