79844222 has 4 divisors (see below), whose sum is σ = 119766336. Its totient is φ = 39922110.

The previous prime is 79844209. The next prime is 79844227. The reversal of 79844222 is 22244897.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22244897 = 311 ⋅71527.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79844227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19961054 + ... + 19961057.

It is an arithmetic number, because the mean of its divisors is an integer number (29941584).

Almost surely, 2^79844222 is an apocalyptic number.

79844222 is a deficient number, since it is larger than the sum of its proper divisors (39922114).

79844222 is a wasteful number, since it uses less digits than its factorization.

79844222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39922113.

The product of its digits is 64512, while the sum is 38.

The square root of 79844222 is about 8935.5594116989. The cubic root of 79844222 is about 430.6070783385.

The spelling of 79844222 in words is "seventy-nine million, eight hundred forty-four thousand, two hundred twenty-two".