22163234 has 12 divisors (see below), whose sum is σ = 35087814. Its totient is φ = 10498032.

The previous prime is 22163201. The next prime is 22163261. The reversal of 22163234 is 43236122.

It can be written as a sum of positive squares in only one way, i.e., 21669025 + 494209 = 4655^2 + 703^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14627 + ... + 16070.

Almost surely, 2^22163234 is an apocalyptic number.

22163234 is a deficient number, since it is larger than the sum of its proper divisors (12924580).

22163234 is a wasteful number, since it uses less digits than its factorization.

22163234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30737 (or 30718 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 22163234 is about 4707.7844045793. The cubic root of 22163234 is about 280.8952383633.

Adding to 22163234 its reverse (43236122), we get a palindrome (65399356).

The spelling of 22163234 in words is "twenty-two million, one hundred sixty-three thousand, two hundred thirty-four".