79181022 has 8 divisors (see below), whose sum is σ = 158362056. Its totient is φ = 26393672.

The previous prime is 79180967. The next prime is 79181027. The reversal of 79181022 is 22018197.

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

79181022 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79181027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6598413 + ... + 6598424.

It is an arithmetic number, because the mean of its divisors is an integer number (19795257).

Almost surely, 2^79181022 is an apocalyptic number.

79181022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79181022 is a wasteful number, since it uses less digits than its factorization.

79181022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13196842.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 79181022 is about 8898.3718735508. The cubic root of 79181022 is about 429.4115296199.

The spelling of 79181022 in words is "seventy-nine million, one hundred eighty-one thousand, twenty-two".