999020222 has 8 divisors (see below), whose sum is σ = 1498665000. Its totient is φ = 499465224.

The previous prime is 999020201. The next prime is 999020233. The reversal of 999020222 is 222020999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28529 + ... + 53027.

It is an arithmetic number, because the mean of its divisors is an integer number (187333125).

Almost surely, 2^999020222 is an apocalyptic number.

999020222 is a deficient number, since it is larger than the sum of its proper divisors (499644778).

999020222 is a wasteful number, since it uses less digits than its factorization.

999020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44890.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 999020222 is about 31607.2811548225. The cubic root of 999020222 is about 999.6733006125.

The spelling of 999020222 in words is "nine hundred ninety-nine million, twenty thousand, two hundred twenty-two".