22260436 has 12 divisors (see below), whose sum is σ = 42497280. Its totient is φ = 10118360.

The previous prime is 22260431. The next prime is 22260443. The reversal of 22260436 is 63406222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22260436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22260431) 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 in 3 ways as a sum of consecutive naturals, for example, 252916 + ... + 253003.

It is an arithmetic number, because the mean of its divisors is an integer number (3541440).

Almost surely, 2^22260436 is an apocalyptic number.

It is an amenable number.

22260436 is a deficient number, since it is larger than the sum of its proper divisors (20236844).

22260436 is a wasteful number, since it uses less digits than its factorization.

22260436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505934 (or 505932 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 22260436 is about 4718.0966501334. The cubic root of 22260436 is about 281.3052832232.

Adding to 22260436 its reverse (63406222), we get a palindrome (85666658).

The spelling of 22260436 in words is "twenty-two million, two hundred sixty thousand, four hundred thirty-six".