22661373 has 12 divisors (see below), whose sum is σ = 35148480. Its totient is φ = 12949272.

The previous prime is 22661363. The next prime is 22661389. The reversal of 22661373 is 37316622.

It is not a de Polignac number, because 22661373 - 2⁸ = 22661117 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22661373.

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 11 ways as a sum of consecutive naturals, for example, 76933 + ... + 77226.

It is an arithmetic number, because the mean of its divisors is an integer number (2929040).

Almost surely, 2^22661373 is an apocalyptic number.

It is an amenable number.

22661373 is a deficient number, since it is larger than the sum of its proper divisors (12487107).

22661373 is a wasteful number, since it uses less digits than its factorization.

22661373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154176 (or 154169 counting only the distinct ones).

The product of its digits is 9072, while the sum is 30.

The square root of 22661373 is about 4760.3963070316. The cubic root of 22661373 is about 282.9841251027.

Adding to 22661373 its reverse (37316622), we get a palindrome (59977995).

The spelling of 22661373 in words is "twenty-two million, six hundred sixty-one thousand, three hundred seventy-three".