22469638 has 8 divisors (see below), whose sum is σ = 33802632. Its totient is φ = 11202096.

The previous prime is 22469621. The next prime is 22469641. The reversal of 22469638 is 83696422.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22469638.

It is a congruent number.

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, 15495 + ... + 16882.

It is an arithmetic number, because the mean of its divisors is an integer number (4225329).

Almost surely, 2^22469638 is an apocalyptic number.

22469638 is a deficient number, since it is larger than the sum of its proper divisors (11332994).

22469638 is a wasteful number, since it uses less digits than its factorization.

22469638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32726.

The product of its digits is 124416, while the sum is 40.

The square root of 22469638 is about 4740.2149740281. The cubic root of 22469638 is about 282.1837660095.

The spelling of 22469638 in words is "twenty-two million, four hundred sixty-nine thousand, six hundred thirty-eight".