22640040602 has 4 divisors (see below), whose sum is σ = 33960060906. Its totient is φ = 11320020300.

The previous prime is 22640040589. The next prime is 22640040607. The reversal of 22640040602 is 20604004622.

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., 12400826881 + 10239213721 = 111359^2 + 101189^2 .

It is not an unprimeable number, because it can be changed into a prime (22640040607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660010149 + ... + 5660010152.

Almost surely, 2^22640040602 is an apocalyptic number.

22640040602 is a deficient number, since it is larger than the sum of its proper divisors (11320020304).

22640040602 is a wasteful number, since it uses less digits than its factorization.

22640040602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11320020303.

The product of its (nonzero) digits is 4608, while the sum is 26.

The spelling of 22640040602 in words is "twenty-two billion, six hundred forty million, forty thousand, six hundred two".