199222760890 has 8 divisors (see below), whose sum is σ = 358600969620. Its totient is φ = 79689104352.

The previous prime is 199222760851. The next prime is 199222760927. The reversal of 199222760890 is 98067222991.

199222760890 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 199222073649 + 687241 = 446343^2 + 829^2 .

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

It is a super-2 number, since 2×199222760890² (a number of 23 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 9961138035 + ... + 9961138054.

Almost surely, 2^199222760890 is an apocalyptic number.

199222760890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

199222760890 is a deficient number, since it is larger than the sum of its proper divisors (159378208730).

199222760890 is a wasteful number, since it uses less digits than its factorization.

199222760890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19922276096.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 199222760890 in words is "one hundred ninety-nine billion, two hundred twenty-two million, seven hundred sixty thousand, eight hundred ninety".