981972222269 has 8 divisors (see below), whose sum is σ = 1014142551552. Its totient is φ = 949832755920.

The previous prime is 981972222211. The next prime is 981972222271. The reversal of 981972222269 is 962222279189.

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

It is not a de Polignac number, because 981972222269 - 2²⁸ = 981703786813 is a prime.

It is a super-2 number, since 2×981972222269² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981972222289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7651049 + ... + 7778334.

It is an arithmetic number, because the mean of its divisors is an integer number (126767818944).

Almost surely, 2^981972222269 is an apocalyptic number.

It is an amenable number.

981972222269 is a deficient number, since it is larger than the sum of its proper divisors (32170329283).

981972222269 is a wasteful number, since it uses less digits than its factorization.

981972222269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15431467.

The product of its digits is 7838208, while the sum is 59.

The spelling of 981972222269 in words is "nine hundred eighty-one billion, nine hundred seventy-two million, two hundred twenty-two thousand, two hundred sixty-nine".