22723697 has 8 divisors (see below), whose sum is σ = 23374656. Its totient is φ = 22081072.

The previous prime is 22723693. The next prime is 22723699. The reversal of 22723697 is 79632722.

It is a happy number.

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

It is not a de Polignac number, because 22723697 - 2² = 22723693 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 22723697.

It is not an unprimeable number, because it can be changed into a prime (22723693) 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, 3668 + ... + 7674.

It is an arithmetic number, because the mean of its divisors is an integer number (2921832).

Almost surely, 2^22723697 is an apocalyptic number.

It is an amenable number.

22723697 is a deficient number, since it is larger than the sum of its proper divisors (650959).

22723697 is a wasteful number, since it uses less digits than its factorization.

22723697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4167.

The product of its digits is 63504, while the sum is 38.

The square root of 22723697 is about 4766.9379060357. The cubic root of 22723697 is about 283.2433115009.

The spelling of 22723697 in words is "twenty-two million, seven hundred twenty-three thousand, six hundred ninety-seven".