22616623 has 2 divisors, whose sum is σ = 22616624. Its totient is φ = 22616622.

The previous prime is 22616603. The next prime is 22616651. The reversal of 22616623 is 32661622.

It is a happy number.

It is an a-pointer prime, because the next prime (22616651) can be obtained adding 22616623 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22616623 - 2¹³ = 22608431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22616591 and 22616600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22616603) 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 as a sum of consecutive naturals, namely, 11308311 + 11308312.

It is an arithmetic number, because the mean of its divisors is an integer number (11308312).

Almost surely, 2^22616623 is an apocalyptic number.

22616623 is a deficient number, since it is larger than the sum of its proper divisors (1).

22616623 is an equidigital number, since it uses as much as digits as its factorization.

22616623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 22616623 is about 4755.6937453961. The cubic root of 22616623 is about 282.7977303297.

The spelling of 22616623 in words is "twenty-two million, six hundred sixteen thousand, six hundred twenty-three".