22163074 has 8 divisors (see below), whose sum is σ = 34143228. Its totient is φ = 10782000.

The previous prime is 22163051. The next prime is 22163081. The reversal of 22163074 is 47036122.

It can be written as a sum of positive squares in 2 ways, for example, as 22155849 + 7225 = 4707^2 + 85^2 .

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

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, 149677 + ... + 149824.

Almost surely, 2^22163074 is an apocalyptic number.

22163074 is a deficient number, since it is larger than the sum of its proper divisors (11980154).

22163074 is a wasteful number, since it uses less digits than its factorization.

22163074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299540.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 22163074 is about 4707.7674114170. The cubic root of 22163074 is about 280.8945624189.

Adding to 22163074 its reverse (47036122), we get a palindrome (69199196).

The spelling of 22163074 in words is "twenty-two million, one hundred sixty-three thousand, seventy-four".