22085695906 has 4 divisors (see below), whose sum is σ = 33128543862. Its totient is φ = 11042847952.

The previous prime is 22085695873. The next prime is 22085695949. The reversal of 22085695906 is 60959658022.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 21572265625 + 513430281 = 146875^2 + 22659^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5521423975 + ... + 5521423978.

Almost surely, 2^22085695906 is an apocalyptic number.

22085695906 is a deficient number, since it is larger than the sum of its proper divisors (11042847956).

22085695906 is a wasteful number, since it uses less digits than its factorization.

22085695906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11042847955.

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 22085695906 in words is "twenty-two billion, eighty-five million, six hundred ninety-five thousand, nine hundred six".