22367738642 has 8 divisors (see below), whose sum is σ = 33560185356. Its totient is φ = 11181010192.

The previous prime is 22367738639. The next prime is 22367738647. The reversal of 22367738642 is 24683776322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21777200041 + 590538601 = 147571^2 + 24301^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22367738647) 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, 1419773 + ... + 1435440.

Almost surely, 2^22367738642 is an apocalyptic number.

22367738642 is a deficient number, since it is larger than the sum of its proper divisors (11192446714).

22367738642 is a wasteful number, since it uses less digits than its factorization.

22367738642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859132.

The product of its digits is 4064256, while the sum is 50.

The spelling of 22367738642 in words is "twenty-two billion, three hundred sixty-seven million, seven hundred thirty-eight thousand, six hundred forty-two".