22135374 has 12 divisors (see below), whose sum is σ = 47960016. Its totient is φ = 7378452.

The previous prime is 22135357. The next prime is 22135387. The reversal of 22135374 is 47353122.

It is a Curzon number.

It is a congruent number.

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 in 5 ways as a sum of consecutive naturals, for example, 614854 + ... + 614889.

It is an arithmetic number, because the mean of its divisors is an integer number (3996668).

Almost surely, 2^22135374 is an apocalyptic number.

22135374 is an abundant number, since it is smaller than the sum of its proper divisors (25824642).

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

22135374 is a wasteful number, since it uses less digits than its factorization.

22135374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229751 (or 1229748 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 22135374 is about 4704.8245450814. The cubic root of 22135374 is about 280.7774904644. Note that the first 3 decimals are identical.

Adding to 22135374 its reverse (47353122), we get a palindrome (69488496).

The spelling of 22135374 in words is "twenty-two million, one hundred thirty-five thousand, three hundred seventy-four".