19222030 has 32 divisors (see below), whose sum is σ = 35779968. Its totient is φ = 7430400.

The previous prime is 19222001. The next prime is 19222033. The reversal of 19222030 is 3022291.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 19221989 and 19222007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19222033) 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 15 ways as a sum of consecutive naturals, for example, 70795 + ... + 71065.

It is an arithmetic number, because the mean of its divisors is an integer number (1118124).

Almost surely, 2^19222030 is an apocalyptic number.

19222030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19222030 is a deficient number, since it is larger than the sum of its proper divisors (16557938).

19222030 is a wasteful number, since it uses less digits than its factorization.

19222030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 19222030 is about 4384.2935576898. The cubic root of 19222030 is about 267.8755548317.

It can be divided in two parts, 192 and 22030, that added together give a palindrome (22222).

The spelling of 19222030 in words is "nineteen million, two hundred twenty-two thousand, thirty".