13222767651 has 8 divisors (see below), whose sum is σ = 17676876480. Its totient is φ = 8791918632.

The previous prime is 13222767617. The next prime is 13222767667. The reversal of 13222767651 is 15676722231.

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

It is not a de Polignac number, because 13222767651 - 2²⁶ = 13155658787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13222767601) 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, 5813625 + ... + 5815898.

It is an arithmetic number, because the mean of its divisors is an integer number (2209609560).

Almost surely, 2^13222767651 is an apocalyptic number.

13222767651 is a deficient number, since it is larger than the sum of its proper divisors (4454108829).

13222767651 is a wasteful number, since it uses less digits than its factorization.

13222767651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11629905.

The product of its digits is 211680, while the sum is 42.

The spelling of 13222767651 in words is "thirteen billion, two hundred twenty-two million, seven hundred sixty-seven thousand, six hundred fifty-one".