22640907327 has 4 divisors (see below), whose sum is σ = 30187876440. Its totient is φ = 15093938216.

The previous prime is 22640907301. The next prime is 22640907329. The reversal of 22640907327 is 72370904622.

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

It is a cyclic number.

It is not a de Polignac number, because 22640907327 - 2¹⁵ = 22640874559 is a prime.

It is a super-2 number, since 2×22640907327² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22640907329) 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, 3773484552 + ... + 3773484557.

It is an arithmetic number, because the mean of its divisors is an integer number (7546969110).

Almost surely, 2^22640907327 is an apocalyptic number.

22640907327 is a deficient number, since it is larger than the sum of its proper divisors (7546969113).

22640907327 is an equidigital number, since it uses as much as digits as its factorization.

22640907327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7546969112.

The product of its (nonzero) digits is 254016, while the sum is 42.

The spelling of 22640907327 in words is "twenty-two billion, six hundred forty million, nine hundred seven thousand, three hundred twenty-seven".