19242231 has 8 divisors (see below), whose sum is σ = 27006720. Its totient is φ = 12152952.

The previous prime is 19242229. The next prime is 19242263. The reversal of 19242231 is 13224291.

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

It is not a de Polignac number, because 19242231 - 2¹ = 19242229 is a prime.

It is a super-2 number, since 2×19242231² = 740526907714722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19242281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168735 + ... + 168848.

It is an arithmetic number, because the mean of its divisors is an integer number (3375840).

Almost surely, 2^19242231 is an apocalyptic number.

19242231 is a deficient number, since it is larger than the sum of its proper divisors (7764489).

19242231 is a wasteful number, since it uses less digits than its factorization.

19242231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337605.

The product of its digits is 864, while the sum is 24.

The square root of 19242231 is about 4386.5967446302. The cubic root of 19242231 is about 267.9693614265.

The spelling of 19242231 in words is "nineteen million, two hundred forty-two thousand, two hundred thirty-one".