22863842 has 4 divisors (see below), whose sum is σ = 34295766. Its totient is φ = 11431920.

The previous prime is 22863839. The next prime is 22863851. The reversal of 22863842 is 24836822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24836822 = 2 ⋅12418411.

It can be written as a sum of positive squares in only one way, i.e., 19018321 + 3845521 = 4361^2 + 1961^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5715959 + ... + 5715962.

Almost surely, 2^22863842 is an apocalyptic number.

22863842 is a deficient number, since it is larger than the sum of its proper divisors (11431924).

22863842 is a wasteful number, since it uses less digits than its factorization.

22863842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11431923.

The product of its digits is 36864, while the sum is 35.

The square root of 22863842 is about 4781.6149991399. The cubic root of 22863842 is about 283.8244054392.

The spelling of 22863842 in words is "twenty-two million, eight hundred sixty-three thousand, eight hundred forty-two".