99452239 has 2 divisors, whose sum is σ = 99452240. Its totient is φ = 99452238.

The previous prime is 99452233. The next prime is 99452267. The reversal of 99452239 is 93225499.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (93225499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99452239 - 2⁹ = 99451727 is a prime.

It is a super-2 number, since 2×99452239² = 19781495684226242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 99452195 and 99452204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (99452233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49726119 + 49726120.

It is an arithmetic number, because the mean of its divisors is an integer number (49726120).

Almost surely, 2^99452239 is an apocalyptic number.

99452239 is a deficient number, since it is larger than the sum of its proper divisors (1).

99452239 is an equidigital number, since it uses as much as digits as its factorization.

99452239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 43.

The square root of 99452239 is about 9972.5743416632. The cubic root of 99452239 is about 463.3098374412.

The spelling of 99452239 in words is "ninety-nine million, four hundred fifty-two thousand, two hundred thirty-nine".