22404266642 has 8 divisors (see below), whose sum is σ = 33745846332. Its totient is φ = 11155651200.

The previous prime is 22404266623. The next prime is 22404266671. The reversal of 22404266642 is 24666240422.

It can be written as a sum of positive squares in 2 ways, for example, as 17215801681 + 5188464961 = 131209^2 + 72031^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 22404266596 and 22404266605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23240459 + ... + 23241422.

Almost surely, 2^22404266642 is an apocalyptic number.

22404266642 is a deficient number, since it is larger than the sum of its proper divisors (11341579690).

22404266642 is a wasteful number, since it uses less digits than its factorization.

22404266642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46482124.

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 22404266642 in words is "twenty-two billion, four hundred four million, two hundred sixty-six thousand, six hundred forty-two".