79222441 has 2 divisors, whose sum is σ = 79222442. Its totient is φ = 79222440.

The previous prime is 79222393. The next prime is 79222477. The reversal of 79222441 is 14422297.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57320041 + 21902400 = 7571^2 + 4680^2 .

It is an emirp because it is prime and its reverse (14422297) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 79222441 - 2⁹ = 79221929 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (79222841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39611220 + 39611221.

It is an arithmetic number, because the mean of its divisors is an integer number (39611221).

Almost surely, 2^79222441 is an apocalyptic number.

It is an amenable number.

79222441 is a deficient number, since it is larger than the sum of its proper divisors (1).

79222441 is an equidigital number, since it uses as much as digits as its factorization.

79222441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 31.

The square root of 79222441 is about 8900.6989051422. The cubic root of 79222441 is about 429.4863905541.

The spelling of 79222441 in words is "seventy-nine million, two hundred twenty-two thousand, four hundred forty-one".