22478731365 has 8 divisors (see below), whose sum is σ = 35965970208. Its totient is φ = 11988656720.

The previous prime is 22478731361. The next prime is 22478731391. The reversal of 22478731365 is 56313787422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22478731365 - 2² = 22478731361 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22478731361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 749291031 + ... + 749291060.

It is an arithmetic number, because the mean of its divisors is an integer number (4495746276).

Almost surely, 2^22478731365 is an apocalyptic number.

It is an amenable number.

22478731365 is a deficient number, since it is larger than the sum of its proper divisors (13487238843).

22478731365 is a wasteful number, since it uses less digits than its factorization.

22478731365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498582099.

The product of its digits is 1693440, while the sum is 48.

The spelling of 22478731365 in words is "twenty-two billion, four hundred seventy-eight million, seven hundred thirty-one thousand, three hundred sixty-five".