22152529 has 8 divisors (see below), whose sum is σ = 26001728. Its totient is φ = 18474480.

The previous prime is 22152523. The next prime is 22152539. The reversal of 22152529 is 92525122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22152529 - 2⁷ = 22152401 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22152497 and 22152506.

It is not an unprimeable number, because it can be changed into a prime (22152523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42507 + ... + 43024.

It is an arithmetic number, because the mean of its divisors is an integer number (3250216).

Almost surely, 2^22152529 is an apocalyptic number.

It is an amenable number.

22152529 is a deficient number, since it is larger than the sum of its proper divisors (3849199).

22152529 is an equidigital number, since it uses as much as digits as its factorization.

22152529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85575.

The product of its digits is 3600, while the sum is 28.

The square root of 22152529 is about 4706.6473205457. The cubic root of 22152529 is about 280.8500062793.

The spelling of 22152529 in words is "twenty-two million, one hundred fifty-two thousand, five hundred twenty-nine".