22623322 has 4 divisors (see below), whose sum is σ = 33934986. Its totient is φ = 11311660.

The previous prime is 22623313. The next prime is 22623353. The reversal of 22623322 is 22332622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 14676561 + 7946761 = 3831^2 + 2819^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 22623293 and 22623302.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655829 + ... + 5655832.

Almost surely, 2^22623322 is an apocalyptic number.

22623322 is a deficient number, since it is larger than the sum of its proper divisors (11311664).

22623322 is a wasteful number, since it uses less digits than its factorization.

22623322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11311663.

The product of its digits is 1728, while the sum is 22.

The square root of 22623322 is about 4756.3980068956. The cubic root of 22623322 is about 282.8256489537.

Adding to 22623322 its reverse (22332622), we get a palindrome (44955944).

The spelling of 22623322 in words is "twenty-two million, six hundred twenty-three thousand, three hundred twenty-two".