19022216 has 16 divisors (see below), whose sum is σ = 36426240. Its totient is φ = 9308560.

The previous prime is 19022209. The next prime is 19022257. The reversal of 19022216 is 61222091.

19022216 = T₁₁₁ + T₁₁₂ + ... + T₄₈₆.

It is a junction number, because it is equal to n+sod(n) for n = 19022191 and 19022200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24920 + ... + 25671.

It is an arithmetic number, because the mean of its divisors is an integer number (2276640).

Almost surely, 2^19022216 is an apocalyptic number.

It is an amenable number.

19022216 is a deficient number, since it is larger than the sum of its proper divisors (17404024).

19022216 is a wasteful number, since it uses less digits than its factorization.

19022216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50644 (or 50640 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 19022216 is about 4361.4465490248. The cubic root of 19022216 is about 266.9441264878.

The spelling of 19022216 in words is "nineteen million, twenty-two thousand, two hundred sixteen".