22481965 has 8 divisors (see below), whose sum is σ = 29431008. Its totient is φ = 16350480.

The previous prime is 22481951. The next prime is 22481969. The reversal of 22481965 is 56918422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22481965 - 2⁹ = 22481453 is a prime.

It is a super-2 number, since 2×22481965² = 1010877500522450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22481969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204327 + ... + 204436.

It is an arithmetic number, because the mean of its divisors is an integer number (3678876).

Almost surely, 2^22481965 is an apocalyptic number.

It is an amenable number.

22481965 is a deficient number, since it is larger than the sum of its proper divisors (6949043).

22481965 is a wasteful number, since it uses less digits than its factorization.

22481965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408779.

The product of its digits is 34560, while the sum is 37.

The square root of 22481965 is about 4741.5150532293. The cubic root of 22481965 is about 282.2353592361.

The spelling of 22481965 in words is "twenty-two million, four hundred eighty-one thousand, nine hundred sixty-five".