22442546 has 8 divisors (see below), whose sum is σ = 38472960. Its totient is φ = 9618228.

The previous prime is 22442513. The next prime is 22442561. The reversal of 22442546 is 64524422.

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

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, 801506 + ... + 801533.

It is an arithmetic number, because the mean of its divisors is an integer number (4809120).

Almost surely, 2^22442546 is an apocalyptic number.

22442546 is a deficient number, since it is larger than the sum of its proper divisors (16030414).

22442546 is a wasteful number, since it uses less digits than its factorization.

22442546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603048.

The product of its digits is 15360, while the sum is 29.

The square root of 22442546 is about 4737.3564358195. The cubic root of 22442546 is about 282.0703092465.

Adding to 22442546 its reverse (64524422), we get a palindrome (86966968).

The spelling of 22442546 in words is "twenty-two million, four hundred forty-two thousand, five hundred forty-six".