999522343 has 2 divisors, whose sum is σ = 999522344. Its totient is φ = 999522342.

The previous prime is 999522301. The next prime is 999522347. The reversal of 999522343 is 343225999.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999522343 - 2²⁵ = 965967911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 999522293 and 999522302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999522347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499761171 + 499761172.

It is an arithmetic number, because the mean of its divisors is an integer number (499761172).

Almost surely, 2^999522343 is an apocalyptic number.

999522343 is a deficient number, since it is larger than the sum of its proper divisors (1).

999522343 is an equidigital number, since it uses as much as digits as its factorization.

999522343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 524880, while the sum is 46.

The square root of 999522343 is about 31615.2232793001. The cubic root of 999522343 is about 999.8407556426.

The spelling of 999522343 in words is "nine hundred ninety-nine million, five hundred twenty-two thousand, three hundred forty-three".