22705697 has 8 divisors (see below), whose sum is σ = 26337216. Its totient is φ = 19171152.

The previous prime is 22705687. The next prime is 22705751. The reversal of 22705697 is 79650722.

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

It is a de Polignac number, because none of the positive numbers 2^k-22705697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22705697.

It is not an unprimeable number, because it can be changed into a prime (22705667) 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, 23738 + ... + 24675.

It is an arithmetic number, because the mean of its divisors is an integer number (3292152).

Almost surely, 2^22705697 is an apocalyptic number.

It is an amenable number.

22705697 is a deficient number, since it is larger than the sum of its proper divisors (3631519).

22705697 is an equidigital number, since it uses as much as digits as its factorization.

22705697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48487.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 22705697 is about 4765.0495275495. The cubic root of 22705697 is about 283.1685037443.

The spelling of 22705697 in words is "twenty-two million, seven hundred five thousand, six hundred ninety-seven".