22840373 has 4 divisors (see below), whose sum is σ = 22852908. Its totient is φ = 22827840.

The previous prime is 22840369. The next prime is 22840381. The reversal of 22840373 is 37304822.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19298449 + 3541924 = 4393^2 + 1882^2 .

It is a cyclic number.

It is not a de Polignac number, because 22840373 - 2² = 22840369 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22840303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2948 + ... + 7373.

It is an arithmetic number, because the mean of its divisors is an integer number (5713227).

Almost surely, 2^22840373 is an apocalyptic number.

It is an amenable number.

22840373 is a deficient number, since it is larger than the sum of its proper divisors (12535).

22840373 is a wasteful number, since it uses less digits than its factorization.

22840373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12534.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 22840373 is about 4779.1602818905. The cubic root of 22840373 is about 283.7272599784.

The spelling of 22840373 in words is "twenty-two million, eight hundred forty thousand, three hundred seventy-three".