999233622 has 12 divisors (see below), whose sum is σ = 2165006220. Its totient is φ = 333077868.

The previous prime is 999233611. The next prime is 999233681. The reversal of 999233622 is 226332999.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27756472 + ... + 27756507.

It is an arithmetic number, because the mean of its divisors is an integer number (180417185).

Almost surely, 2^999233622 is an apocalyptic number.

999233622 is an abundant number, since it is smaller than the sum of its proper divisors (1165772598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999233622 is a wasteful number, since it uses less digits than its factorization.

999233622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55512987 (or 55512984 counting only the distinct ones).

The product of its digits is 314928, while the sum is 45.

The square root of 999233622 is about 31610.6567790041. The cubic root of 999233622 is about 999.7444753794.

The spelling of 999233622 in words is "nine hundred ninety-nine million, two hundred thirty-three thousand, six hundred twenty-two".