79492229 has 2 divisors, whose sum is σ = 79492230. Its totient is φ = 79492228.

The previous prime is 79492139. The next prime is 79492253. The reversal of 79492229 is 92229497.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67207204 + 12285025 = 8198^2 + 3505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-79492229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79492229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79492129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39746114 + 39746115.

It is an arithmetic number, because the mean of its divisors is an integer number (39746115).

Almost surely, 2^79492229 is an apocalyptic number.

It is an amenable number.

79492229 is a deficient number, since it is larger than the sum of its proper divisors (1).

79492229 is an equidigital number, since it uses as much as digits as its factorization.

79492229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 44.

The square root of 79492229 is about 8915.8414633729. The cubic root of 79492229 is about 429.9733695424.

The spelling of 79492229 in words is "seventy-nine million, four hundred ninety-two thousand, two hundred twenty-nine".