22029529 has 2 divisors, whose sum is σ = 22029530. Its totient is φ = 22029528.

The previous prime is 22029487. The next prime is 22029551. The reversal of 22029529 is 92592022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14478025 + 7551504 = 3805^2 + 2748^2 .

It is a cyclic number.

It is not a de Polignac number, because 22029529 - 2⁷ = 22029401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22029529.

It is not a weakly prime, because it can be changed into another prime (22029629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11014764 + 11014765.

It is an arithmetic number, because the mean of its divisors is an integer number (11014765).

Almost surely, 2^22029529 is an apocalyptic number.

It is an amenable number.

22029529 is a deficient number, since it is larger than the sum of its proper divisors (1).

22029529 is an equidigital number, since it uses as much as digits as its factorization.

22029529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 22029529 is about 4693.5625062419. The cubic root of 22029529 is about 280.3292428045.

The spelling of 22029529 in words is "twenty-two million, twenty-nine thousand, five hundred twenty-nine".