19922085 has 16 divisors (see below), whose sum is σ = 35417280. Its totient is φ = 10625040.

The previous prime is 19922047. The next prime is 19922099. The reversal of 19922085 is 58022991.

It is not a de Polignac number, because 19922085 - 2⁸ = 19921829 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73651 + ... + 73920.

It is an arithmetic number, because the mean of its divisors is an integer number (2213580).

Almost surely, 2^19922085 is an apocalyptic number.

19922085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19922085 is a deficient number, since it is larger than the sum of its proper divisors (15495195).

19922085 is a wasteful number, since it uses less digits than its factorization.

19922085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147585 (or 147579 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 19922085 is about 4463.4162924827. The cubic root of 19922085 is about 271.0888131813.

The spelling of 19922085 in words is "nineteen million, nine hundred twenty-two thousand, eighty-five".