802222468721 has 8 divisors (see below), whose sum is σ = 835171210920. Its totient is φ = 769626119808.

The previous prime is 802222468717. The next prime is 802222468771. The reversal of 802222468721 is 127864222208.

It can be written as a sum of positive squares in 4 ways, for example, as 64150758400 + 738071710321 = 253280^2 + 859111^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 802222468721 - 2² = 802222468717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (802222468771) 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, 88093676 + ... + 88102781.

It is an arithmetic number, because the mean of its divisors is an integer number (104396401365).

Almost surely, 2^802222468721 is an apocalyptic number.

It is an amenable number.

802222468721 is a deficient number, since it is larger than the sum of its proper divisors (32948742199).

802222468721 is a wasteful number, since it uses less digits than its factorization.

802222468721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176196643.

The product of its (nonzero) digits is 344064, while the sum is 44.

The spelling of 802222468721 in words is "eight hundred two billion, two hundred twenty-two million, four hundred sixty-eight thousand, seven hundred twenty-one".