22240852 has 6 divisors (see below), whose sum is σ = 38921498. Its totient is φ = 11120424.

The previous prime is 22240831. The next prime is 22240853. The reversal of 22240852 is 25804222.

It can be written as a sum of positive squares in only one way, i.e., 22240656 + 196 = 4716^2 + 14^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22240853) by changing a digit.

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 as a sum of consecutive naturals, namely, 2780103 + ... + 2780110.

Almost surely, 2^22240852 is an apocalyptic number.

It is an amenable number.

22240852 is a deficient number, since it is larger than the sum of its proper divisors (16680646).

22240852 is a wasteful number, since it uses less digits than its factorization.

22240852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5560217 (or 5560215 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 22240852 is about 4716.0207802765. The cubic root of 22240852 is about 281.2227646384. Note that the first 3 decimals are identical.

The spelling of 22240852 in words is "twenty-two million, two hundred forty thousand, eight hundred fifty-two".