22096729 has 4 divisors (see below), whose sum is σ = 22108900. Its totient is φ = 22084560.

The previous prime is 22096717. The next prime is 22096751. The reversal of 22096729 is 92769022.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11888704 + 10208025 = 3448^2 + 3195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22096729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22096799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2754 + ... + 7195.

It is an arithmetic number, because the mean of its divisors is an integer number (5527225).

Almost surely, 2^22096729 is an apocalyptic number.

It is an amenable number.

22096729 is a deficient number, since it is larger than the sum of its proper divisors (12171).

22096729 is an equidigital number, since it uses as much as digits as its factorization.

22096729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12170.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 22096729 is about 4700.7157965569. The cubic root of 22096729 is about 280.6139970025.

The spelling of 22096729 in words is "twenty-two million, ninety-six thousand, seven hundred twenty-nine".