22240674 has 12 divisors (see below), whose sum is σ = 48188166. Its totient is φ = 7413552.

The previous prime is 22240657. The next prime is 22240681. The reversal of 22240674 is 47604222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18792225 + 3448449 = 4335^2 + 1857^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 617779 + ... + 617814.

Almost surely, 2^22240674 is an apocalyptic number.

22240674 is an abundant number, since it is smaller than the sum of its proper divisors (25947492).

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

22240674 is a wasteful number, since it uses less digits than its factorization.

22240674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235601 (or 1235598 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 22240674 is about 4716.0019083966. The cubic root of 22240674 is about 281.2220144006. Note that the first 3 decimals are identical.

Adding to 22240674 its reverse (47604222), we get a palindrome (69844896).

The spelling of 22240674 in words is "twenty-two million, two hundred forty thousand, six hundred seventy-four".