22642246 has 12 divisors (see below), whose sum is σ = 37332036. Its totient is φ = 10291820.

The previous prime is 22642229. The next prime is 22642259. The reversal of 22642246 is 64224622.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46540 + ... + 47023.

It is an arithmetic number, because the mean of its divisors is an integer number (3111003).

Almost surely, 2^22642246 is an apocalyptic number.

22642246 is a deficient number, since it is larger than the sum of its proper divisors (14689790).

22642246 is a wasteful number, since it uses less digits than its factorization.

22642246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93587 (or 93576 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

The square root of 22642246 is about 4758.3869115489. The cubic root of 22642246 is about 282.9044864904.

Adding to 22642246 its reverse (64224622), we get a palindrome (86866868).

The spelling of 22642246 in words is "twenty-two million, six hundred forty-two thousand, two hundred forty-six".