22006462642 has 8 divisors (see below), whose sum is σ = 33029477100. Its totient is φ = 10996636944.

The previous prime is 22006462637. The next prime is 22006462649. The reversal of 22006462642 is 24626460022.

It can be written as a sum of positive squares in 2 ways, for example, as 20776627881 + 1229834761 = 144141^2 + 35069^2 .

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 = 22006462598 and 22006462607.

It is not an unprimeable number, because it can be changed into a prime (22006462649) 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, 3293017 + ... + 3299692.

Almost surely, 2^22006462642 is an apocalyptic number.

22006462642 is a deficient number, since it is larger than the sum of its proper divisors (11023014458).

22006462642 is a wasteful number, since it uses less digits than its factorization.

22006462642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6594380.

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 22006462642 in words is "twenty-two billion, six million, four hundred sixty-two thousand, six hundred forty-two".