22439446 has 8 divisors (see below), whose sum is σ = 34819920. Its totient is φ = 10832808.

The previous prime is 22439429. The next prime is 22439489. The reversal of 22439446 is 64493422.

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

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, 193386 + ... + 193501.

It is an arithmetic number, because the mean of its divisors is an integer number (4352490).

Almost surely, 2^22439446 is an apocalyptic number.

22439446 is a deficient number, since it is larger than the sum of its proper divisors (12380474).

22439446 is a wasteful number, since it uses less digits than its factorization.

22439446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386918.

The product of its digits is 41472, while the sum is 34.

The square root of 22439446 is about 4737.0292378241. The cubic root of 22439446 is about 282.0573211446.

The spelling of 22439446 in words is "twenty-two million, four hundred thirty-nine thousand, four hundred forty-six".