999242252 has 24 divisors (see below), whose sum is σ = 1852613280. Its totient is φ = 469958400.

The previous prime is 999242207. The next prime is 999242263. The reversal of 999242252 is 252242999.

It is a super-3 number, since 3×999242252³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159377 + ... + 165527.

It is an arithmetic number, because the mean of its divisors is an integer number (77192220).

Almost surely, 2^999242252 is an apocalyptic number.

It is an amenable number.

999242252 is a deficient number, since it is larger than the sum of its proper divisors (853371028).

999242252 is a wasteful number, since it uses less digits than its factorization.

999242252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8561 (or 8559 counting only the distinct ones).

The product of its digits is 233280, while the sum is 44.

The square root of 999242252 is about 31610.7932833075. The cubic root of 999242252 is about 999.7473535085.

The spelling of 999242252 in words is "nine hundred ninety-nine million, two hundred forty-two thousand, two hundred fifty-two".