190822930 has 8 divisors (see below), whose sum is σ = 343481292. Its totient is φ = 76329168.

The previous prime is 190822913. The next prime is 190822939. The reversal of 190822930 is 39228091.

It can be written as a sum of positive squares in 2 ways, for example, as 190246849 + 576081 = 13793^2 + 759^2 .

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

It is a super-2 number, since 2×190822930² = 72826781227569800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190822939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9541137 + ... + 9541156.

Almost surely, 2^190822930 is an apocalyptic number.

190822930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190822930 is a deficient number, since it is larger than the sum of its proper divisors (152658362).

190822930 is a wasteful number, since it uses less digits than its factorization.

190822930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19082300.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 190822930 is about 13813.8673078903. The cubic root of 190822930 is about 575.7185019346.

The spelling of 190822930 in words is "one hundred ninety million, eight hundred twenty-two thousand, nine hundred thirty".