19228850 has 12 divisors (see below), whose sum is σ = 35765754. Its totient is φ = 7691520.

The previous prime is 19228849. The next prime is 19228861. The reversal of 19228850 is 5882291.

It can be written as a sum of positive squares in 3 ways, for example, as 7027801 + 12201049 = 2651^2 + 3493^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 19228850.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 192239 + ... + 192338.

Almost surely, 2^19228850 is an apocalyptic number.

19228850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19228850 is a deficient number, since it is larger than the sum of its proper divisors (16536904).

19228850 is a wasteful number, since it uses less digits than its factorization.

19228850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384589 (or 384584 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 19228850 is about 4385.0712650993. The cubic root of 19228850 is about 267.9072319450.

The spelling of 19228850 in words is "nineteen million, two hundred twenty-eight thousand, eight hundred fifty".