22973047 has 4 divisors (see below), whose sum is σ = 23082136. Its totient is φ = 22863960.

The previous prime is 22973003. The next prime is 22973053. The reversal of 22973047 is 74037922.

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

It is not a de Polignac number, because 22973047 - 2¹¹ = 22970999 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 (22973087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54228 + ... + 54649.

It is an arithmetic number, because the mean of its divisors is an integer number (5770534).

Almost surely, 2^22973047 is an apocalyptic number.

22973047 is a deficient number, since it is larger than the sum of its proper divisors (109089).

22973047 is a wasteful number, since it uses less digits than its factorization.

22973047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109088.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 22973047 is about 4793.0206550775. The cubic root of 22973047 is about 284.2755665246.

The spelling of 22973047 in words is "twenty-two million, nine hundred seventy-three thousand, forty-seven".