22473361 has 4 divisors (see below), whose sum is σ = 22501300. Its totient is φ = 22445424.

The previous prime is 22473331. The next prime is 22473389. The reversal of 22473361 is 16337422.

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 9828225 + 12645136 = 3135^2 + 3556^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22473361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22473331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12726 + ... + 14383.

It is an arithmetic number, because the mean of its divisors is an integer number (5625325).

Almost surely, 2^22473361 is an apocalyptic number.

It is an amenable number.

22473361 is a deficient number, since it is larger than the sum of its proper divisors (27939).

22473361 is an equidigital number, since it uses as much as digits as its factorization.

22473361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27938.

The product of its digits is 6048, while the sum is 28.

The square root of 22473361 is about 4740.6076614713. The cubic root of 22473361 is about 282.1993501820.

The spelling of 22473361 in words is "twenty-two million, four hundred seventy-three thousand, three hundred sixty-one".