22473407 has 4 divisors (see below), whose sum is σ = 24516456. Its totient is φ = 20430360.

The previous prime is 22473403. The next prime is 22473421. The reversal of 22473407 is 70437422.

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

It is a cyclic number.

It is not a de Polignac number, because 22473407 - 2² = 22473403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22473407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22473403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1021508 + ... + 1021529.

It is an arithmetic number, because the mean of its divisors is an integer number (6129114).

Almost surely, 2^22473407 is an apocalyptic number.

22473407 is a deficient number, since it is larger than the sum of its proper divisors (2043049).

22473407 is a wasteful number, since it uses less digits than its factorization.

22473407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043048.

The product of its (nonzero) digits is 9408, while the sum is 29.

The square root of 22473407 is about 4740.6125131675. The cubic root of 22473407 is about 282.1995427235.

The spelling of 22473407 in words is "twenty-two million, four hundred seventy-three thousand, four hundred seven".