22704629 has 2 divisors, whose sum is σ = 22704630. Its totient is φ = 22704628.

The previous prime is 22704589. The next prime is 22704631. The reversal of 22704629 is 92640722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22562500 + 142129 = 4750^2 + 377^2 .

It is a cyclic number.

It is not a de Polignac number, because 22704629 - 2²⁴ = 5927413 is a prime.

Together with 22704631, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22704595 and 22704604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22704029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11352314 + 11352315.

It is an arithmetic number, because the mean of its divisors is an integer number (11352315).

Almost surely, 2^22704629 is an apocalyptic number.

It is an amenable number.

22704629 is a deficient number, since it is larger than the sum of its proper divisors (1).

22704629 is an equidigital number, since it uses as much as digits as its factorization.

22704629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 22704629 is about 4764.9374602402. The cubic root of 22704629 is about 283.1640639084.

The spelling of 22704629 in words is "twenty-two million, seven hundred four thousand, six hundred twenty-nine".