999254822 has 4 divisors (see below), whose sum is σ = 1498882236. Its totient is φ = 499627410.

The previous prime is 999254813. The next prime is 999254843. The reversal of 999254822 is 228452999.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 228452999 = 191 ⋅1196089.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249813704 + ... + 249813707.

It is an arithmetic number, because the mean of its divisors is an integer number (374720559).

Almost surely, 2^999254822 is an apocalyptic number.

999254822 is a deficient number, since it is larger than the sum of its proper divisors (499627414).

999254822 is a wasteful number, since it uses less digits than its factorization.

999254822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499627413.

The product of its digits is 933120, while the sum is 50.

The square root of 999254822 is about 31610.9921071769. The cubic root of 999254822 is about 999.7515456089.

The spelling of 999254822 in words is "nine hundred ninety-nine million, two hundred fifty-four thousand, eight hundred twenty-two".