122302447 has 2 divisors, whose sum is σ = 122302448. Its totient is φ = 122302446.

The previous prime is 122302423. The next prime is 122302459. The reversal of 122302447 is 744203221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122302447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122302417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61151223 + 61151224.

It is an arithmetic number, because the mean of its divisors is an integer number (61151224).

Almost surely, 2^122302447 is an apocalyptic number.

122302447 is a deficient number, since it is larger than the sum of its proper divisors (1).

122302447 is an equidigital number, since it uses as much as digits as its factorization.

122302447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 122302447 is about 11059.0436747487. The cubic root of 122302447 is about 496.3770748981.

Adding to 122302447 its reverse (744203221), we get a palindrome (866505668).

The spelling of 122302447 in words is "one hundred twenty-two million, three hundred two thousand, four hundred forty-seven".