22746407 has 4 divisors (see below), whose sum is σ = 22757376. Its totient is φ = 22735440.

The previous prime is 22746397. The next prime is 22746419. The reversal of 22746407 is 70464722.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22746407 - 2⁸ = 22746151 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 (22746497) 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, 1319 + ... + 6872.

It is an arithmetic number, because the mean of its divisors is an integer number (5689344).

Almost surely, 2^22746407 is an apocalyptic number.

22746407 is a deficient number, since it is larger than the sum of its proper divisors (10969).

22746407 is an equidigital number, since it uses as much as digits as its factorization.

22746407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10968.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 22746407 is about 4769.3193434703. The cubic root of 22746407 is about 283.3376376124.

The spelling of 22746407 in words is "twenty-two million, seven hundred forty-six thousand, four hundred seven".