22137843 has 32 divisors (see below), whose sum is σ = 36804096. Its totient is φ = 11524608.

The previous prime is 22137839. The next prime is 22137851. The reversal of 22137843 is 34873122.

It is not a de Polignac number, because 22137843 - 2² = 22137839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22137843.

It is not an unprimeable number, because it can be changed into a prime (22137833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22171 + ... + 23147.

It is an arithmetic number, because the mean of its divisors is an integer number (1150128).

Almost surely, 2^22137843 is an apocalyptic number.

22137843 is a deficient number, since it is larger than the sum of its proper divisors (14666253).

22137843 is a wasteful number, since it uses less digits than its factorization.

22137843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083.

The product of its digits is 8064, while the sum is 30.

The square root of 22137843 is about 4705.0869279961. The cubic root of 22137843 is about 280.7879294695.

The spelling of 22137843 in words is "twenty-two million, one hundred thirty-seven thousand, eight hundred forty-three".