22442074 has 8 divisors (see below), whose sum is σ = 35643348. Its totient is φ = 10560960.

The previous prime is 22442029. The next prime is 22442081. The reversal of 22442074 is 47024422.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22155849 + 286225 = 4707^2 + 535^2 .

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, 329997 + ... + 330064.

Almost surely, 2^22442074 is an apocalyptic number.

22442074 is a deficient number, since it is larger than the sum of its proper divisors (13201274).

22442074 is a wasteful number, since it uses less digits than its factorization.

22442074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660080.

The product of its (nonzero) digits is 3584, while the sum is 25.

The square root of 22442074 is about 4737.3066187445. The cubic root of 22442074 is about 282.0683317804.

Adding to 22442074 its reverse (47024422), we get a palindrome (69466496).

The spelling of 22442074 in words is "twenty-two million, four hundred forty-two thousand, seventy-four".