22122629 has 2 divisors, whose sum is σ = 22122630. Its totient is φ = 22122628.

The previous prime is 22122613. The next prime is 22122643. The reversal of 22122629 is 92622122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20232004 + 1890625 = 4498^2 + 1375^2 .

It is a cyclic number.

It is not a de Polignac number, because 22122629 - 2⁴ = 22122613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22122598 and 22122607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22122689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061314 + 11061315.

It is an arithmetic number, because the mean of its divisors is an integer number (11061315).

Almost surely, 2^22122629 is an apocalyptic number.

It is an amenable number.

22122629 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122629 is an equidigital number, since it uses as much as digits as its factorization.

22122629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

The square root of 22122629 is about 4703.4698893477. The cubic root of 22122629 is about 280.7235918774.

The spelling of 22122629 in words is "twenty-two million, one hundred twenty-two thousand, six hundred twenty-nine".