22640321470 has 32 divisors (see below), whose sum is σ = 44488608192. Its totient is φ = 8244986112.

The previous prime is 22640321467. The next prime is 22640321479. The reversal of 22640321470 is 7412304622.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22640321479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1183362 + ... + 1202341.

It is an arithmetic number, because the mean of its divisors is an integer number (1390269006).

Almost surely, 2^22640321470 is an apocalyptic number.

22640321470 is a deficient number, since it is larger than the sum of its proper divisors (21848286722).

22640321470 is a wasteful number, since it uses less digits than its factorization.

22640321470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385796.

The product of its (nonzero) digits is 16128, while the sum is 31.

The spelling of 22640321470 in words is "twenty-two billion, six hundred forty million, three hundred twenty-one thousand, four hundred seventy".