22500029 has 2 divisors, whose sum is σ = 22500030. Its totient is φ = 22500028.

The previous prime is 22500019. The next prime is 22500053. The reversal of 22500029 is 92000522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13032100 + 9467929 = 3610^2 + 3077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22500029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22500019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11250014 + 11250015.

It is an arithmetic number, because the mean of its divisors is an integer number (11250015).

Almost surely, 2^22500029 is an apocalyptic number.

It is an amenable number.

22500029 is a deficient number, since it is larger than the sum of its proper divisors (1).

22500029 is an equidigital number, since it uses as much as digits as its factorization.

22500029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 22500029 is about 4743.4195471200. The cubic root of 22500029 is about 282.3109299533.

The spelling of 22500029 in words is "twenty-two million, five hundred thousand, twenty-nine".