23897722 has 8 divisors (see below), whose sum is σ = 35868276. Its totient is φ = 11941632.

The previous prime is 23897719. The next prime is 23897743. The reversal of 23897722 is 22779832.

It can be written as a sum of positive squares in 2 ways, for example, as 22382361 + 1515361 = 4731^2 + 1231^2 .

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

It is a super-2 number, since 2×23897722² = 1142202233578568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2778 + ... + 7450.

Almost surely, 2^23897722 is an apocalyptic number.

23897722 is a deficient number, since it is larger than the sum of its proper divisors (11970554).

23897722 is a wasteful number, since it uses less digits than its factorization.

23897722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7232.

The product of its digits is 84672, while the sum is 40.

The square root of 23897722 is about 4888.5296357903. The cubic root of 23897722 is about 288.0395795012.

The spelling of 23897722 in words is "twenty-three million, eight hundred ninety-seven thousand, seven hundred twenty-two".