22661343 has 16 divisors (see below), whose sum is σ = 34076160. Its totient is φ = 14880888.

The previous prime is 22661333. The next prime is 22661363. The reversal of 22661343 is 34316622.

22661343 is a `hidden beast` number, since 2 + 2 + 6 + 613 + 43 = 666.

It is not a de Polignac number, because 22661343 - 2⁵ = 22661311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22661333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4455 + ... + 8072.

It is an arithmetic number, because the mean of its divisors is an integer number (2129760).

Almost surely, 2^22661343 is an apocalyptic number.

22661343 is a deficient number, since it is larger than the sum of its proper divisors (11414817).

22661343 is a wasteful number, since it uses less digits than its factorization.

22661343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12603 (or 12597 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 22661343 is about 4760.3931560324. The cubic root of 22661343 is about 282.9840002275.

Adding to 22661343 its reverse (34316622), we get a palindrome (56977965).

The spelling of 22661343 in words is "twenty-two million, six hundred sixty-one thousand, three hundred forty-three".