22006274 has 4 divisors (see below), whose sum is σ = 33009414. Its totient is φ = 11003136.

The previous prime is 22006267. The next prime is 22006291. The reversal of 22006274 is 47260022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47260022 = 2 ⋅23630011.

It can be written as a sum of positive squares in only one way, i.e., 15721225 + 6285049 = 3965^2 + 2507^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5501567 + ... + 5501570.

Almost surely, 2^22006274 is an apocalyptic number.

22006274 is a deficient number, since it is larger than the sum of its proper divisors (11003140).

22006274 is a wasteful number, since it uses less digits than its factorization.

22006274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11003139.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 22006274 is about 4691.0845227943. The cubic root of 22006274 is about 280.2305668896.

Adding to 22006274 its reverse (47260022), we get a palindrome (69266296).

The spelling of 22006274 in words is "twenty-two million, six thousand, two hundred seventy-four".