19222085 has 8 divisors (see below), whose sum is σ = 23248896. Its totient is φ = 15256080.

The previous prime is 19222081. The next prime is 19222097. The reversal of 19222085 is 58022291.

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

It is not a de Polignac number, because 19222085 - 2² = 19222081 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19222081) 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, 14501 + ... + 15770.

It is an arithmetic number, because the mean of its divisors is an integer number (2906112).

Almost surely, 2^19222085 is an apocalyptic number.

It is an amenable number.

19222085 is a deficient number, since it is larger than the sum of its proper divisors (4026811).

19222085 is a wasteful number, since it uses less digits than its factorization.

19222085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30403.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 19222085 is about 4384.2998300755. The cubic root of 19222085 is about 267.8758103223.

The spelling of 19222085 in words is "nineteen million, two hundred twenty-two thousand, eighty-five".