1992998222 has 16 divisors (see below), whose sum is σ = 3040265232. Its totient is φ = 979595520.

The previous prime is 1992998219. The next prime is 1992998239. The reversal of 1992998222 is 2228992991.

It is a super-2 number, since 2×1992998222² = 7944083825790322568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273713 + ... + 280899.

It is an arithmetic number, because the mean of its divisors is an integer number (190016577).

Almost surely, 2^1992998222 is an apocalyptic number.

1992998222 is a deficient number, since it is larger than the sum of its proper divisors (1047267010).

1992998222 is a wasteful number, since it uses less digits than its factorization.

1992998222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9523.

The product of its digits is 839808, while the sum is 53.

The square root of 1992998222 is about 44643.0086575715. The cubic root of 1992998222 is about 1258.4490495380.

The spelling of 1992998222 in words is "one billion, nine hundred ninety-two million, nine hundred ninety-eight thousand, two hundred twenty-two".