22608629 has 2 divisors, whose sum is σ = 22608630. Its totient is φ = 22608628.

The previous prime is 22608617. The next prime is 22608637. The reversal of 22608629 is 92680622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18190225 + 4418404 = 4265^2 + 2102^2 .

It is a cyclic number.

It is not a de Polignac number, because 22608629 - 2¹⁶ = 22543093 is a prime.

It is a super-2 number, since 2×22608629² = 1022300210519282, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22608659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11304314 + 11304315.

It is an arithmetic number, because the mean of its divisors is an integer number (11304315).

Almost surely, 2^22608629 is an apocalyptic number.

It is an amenable number.

22608629 is a deficient number, since it is larger than the sum of its proper divisors (1).

22608629 is an equidigital number, since it uses as much as digits as its factorization.

22608629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 22608629 is about 4754.8532048845. The cubic root of 22608629 is about 282.7644074730.

The spelling of 22608629 in words is "twenty-two million, six hundred eight thousand, six hundred twenty-nine".