79222841 has 2 divisors, whose sum is σ = 79222842. Its totient is φ = 79222840.

The previous prime is 79222823. The next prime is 79222861. The reversal of 79222841 is 14822297.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76650025 + 2572816 = 8755^2 + 1604^2 .

It is a cyclic number.

It is not a de Polignac number, because 79222841 - 2²² = 75028537 is a prime.

It is a super-2 number, since 2×79222841² = 12552517072222562, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79222861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39611420 + 39611421.

It is an arithmetic number, because the mean of its divisors is an integer number (39611421).

Almost surely, 2^79222841 is an apocalyptic number.

It is an amenable number.

79222841 is a deficient number, since it is larger than the sum of its proper divisors (1).

79222841 is an equidigital number, since it uses as much as digits as its factorization.

79222841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 35.

The square root of 79222841 is about 8900.7213752594. The cubic root of 79222841 is about 429.4871133892.

The spelling of 79222841 in words is "seventy-nine million, two hundred twenty-two thousand, eight hundred forty-one".