19530222 has 16 divisors (see below), whose sum is σ = 39555840. Its totient is φ = 6427512.

The previous prime is 19530221. The next prime is 19530241. The reversal of 19530222 is 22203591.

It is a junction number, because it is equal to n+sod(n) for n = 19530192 and 19530201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19530221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20128 + ... + 21075.

It is an arithmetic number, because the mean of its divisors is an integer number (2472240).

Almost surely, 2^19530222 is an apocalyptic number.

19530222 is an abundant number, since it is smaller than the sum of its proper divisors (20025618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19530222 is a wasteful number, since it uses less digits than its factorization.

19530222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41287.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 19530222 is about 4419.3010759621. The cubic root of 19530222 is about 269.2996113522.

The spelling of 19530222 in words is "nineteen million, five hundred thirty thousand, two hundred twenty-two".