222653623 has 2 divisors, whose sum is σ = 222653624. Its totient is φ = 222653622.

The previous prime is 222653621. The next prime is 222653653. The reversal of 222653623 is 326356222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222653623 - 2¹ = 222653621 is a prime.

It is a super-2 number, since 2×222653623² = 99149271670052258, which contains 22 as substring.

Together with 222653621, it forms a pair of twin primes.

It is equal to p_12260695 and since 222653623 and 12260695 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222653621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111326811 + 111326812.

It is an arithmetic number, because the mean of its divisors is an integer number (111326812).

Almost surely, 2^222653623 is an apocalyptic number.

222653623 is a deficient number, since it is larger than the sum of its proper divisors (1).

222653623 is an equidigital number, since it uses as much as digits as its factorization.

222653623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 31.

The square root of 222653623 is about 14921.5824562946. The cubic root of 222653623 is about 606.0985645355.

The spelling of 222653623 in words is "two hundred twenty-two million, six hundred fifty-three thousand, six hundred twenty-three".