22442274 has 24 divisors (see below), whose sum is σ = 48851712. Its totient is φ = 7445880.

The previous prime is 22442269. The next prime is 22442279. The reversal of 22442274 is 47224422.

It is an interprime number because it is at equal distance from previous prime (22442269) and next prime (22442279).

It is not an unprimeable number, because it can be changed into a prime (22442279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1219 + ... + 6809.

It is an arithmetic number, because the mean of its divisors is an integer number (2035488).

Almost surely, 2^22442274 is an apocalyptic number.

22442274 is an abundant number, since it is smaller than the sum of its proper divisors (26409438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22442274 is a wasteful number, since it uses less digits than its factorization.

22442274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5822 (or 5819 counting only the distinct ones).

The product of its digits is 7168, while the sum is 27.

The square root of 22442274 is about 4737.3277277385. The cubic root of 22442274 is about 282.0691696931.

Adding to 22442274 its reverse (47224422), we get a palindrome (69666696).

The spelling of 22442274 in words is "twenty-two million, four hundred forty-two thousand, two hundred seventy-four".