22406734664 has 16 divisors (see below), whose sum is σ = 42021597420. Its totient is φ = 11200975360.

The previous prime is 22406734663. The next prime is 22406734673. The reversal of 22406734664 is 46643760422.

It can be written as a sum of positive squares in 2 ways, for example, as 19780172164 + 2626562500 = 140642^2 + 51250^2 .

It is not an unprimeable number, because it can be changed into a prime (22406734663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258869 + ... + 334404.

Almost surely, 2^22406734664 is an apocalyptic number.

It is an amenable number.

22406734664 is a deficient number, since it is larger than the sum of its proper divisors (19614862756).

22406734664 is a wasteful number, since it uses less digits than its factorization.

22406734664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598000 (or 597996 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 44.

The spelling of 22406734664 in words is "twenty-two billion, four hundred six million, seven hundred thirty-four thousand, six hundred sixty-four".