22478360407 has 4 divisors (see below), whose sum is σ = 22479461440. Its totient is φ = 22477259376.

The previous prime is 22478360393. The next prime is 22478360417. The reversal of 22478360407 is 70406387422.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22478360407 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 (22478360417) 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, 519303 + ... + 560920.

It is an arithmetic number, because the mean of its divisors is an integer number (5619865360).

Almost surely, 2^22478360407 is an apocalyptic number.

22478360407 is a deficient number, since it is larger than the sum of its proper divisors (1101033).

22478360407 is a wasteful number, since it uses less digits than its factorization.

22478360407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101032.

The product of its (nonzero) digits is 451584, while the sum is 43.

The spelling of 22478360407 in words is "twenty-two billion, four hundred seventy-eight million, three hundred sixty thousand, four hundred seven".