12922220667 has 8 divisors (see below), whose sum is σ = 17234841424. Its totient is φ = 8612206848.

The previous prime is 12922220657. The next prime is 12922220671. The reversal of 12922220667 is 76602222921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12922220667 - 2⁷ = 12922220539 is a prime.

It is a super-4 number, since 4×12922220667⁴ (a number of 42 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12922220657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640138 + ... + 660015.

It is an arithmetic number, because the mean of its divisors is an integer number (2154355178).

Almost surely, 2^12922220667 is an apocalyptic number.

12922220667 is a deficient number, since it is larger than the sum of its proper divisors (4312620757).

12922220667 is a wasteful number, since it uses less digits than its factorization.

12922220667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303469.

The product of its (nonzero) digits is 72576, while the sum is 39.

The spelling of 12922220667 in words is "twelve billion, nine hundred twenty-two million, two hundred twenty thousand, six hundred sixty-seven".