19242207 has 12 divisors (see below), whose sum is σ = 28186704. Its totient is φ = 12647040.

The previous prime is 19242203. The next prime is 19242229. The reversal of 19242207 is 70224291.

It is not a de Polignac number, because 19242207 - 2² = 19242203 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19242203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14418 + ... + 15695.

It is an arithmetic number, because the mean of its divisors is an integer number (2348892).

Almost surely, 2^19242207 is an apocalyptic number.

19242207 is a deficient number, since it is larger than the sum of its proper divisors (8944497).

19242207 is a wasteful number, since it uses less digits than its factorization.

19242207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30190 (or 30187 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 19242207 is about 4386.5940090234. The cubic root of 19242207 is about 267.9692500176.

Adding to 19242207 its reverse (70224291), we get a palindrome (89466498).

The spelling of 19242207 in words is "nineteen million, two hundred forty-two thousand, two hundred seven".