19242299 has 2 divisors, whose sum is σ = 19242300. Its totient is φ = 19242298.

The previous prime is 19242287. The next prime is 19242323. The reversal of 19242299 is 99224291.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19242299 is a prime.

It is not a weakly prime, because it can be changed into another prime (19242229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9621149 + 9621150.

It is an arithmetic number, because the mean of its divisors is an integer number (9621150).

Almost surely, 2^19242299 is an apocalyptic number.

19242299 is a deficient number, since it is larger than the sum of its proper divisors (1).

19242299 is an equidigital number, since it uses as much as digits as its factorization.

19242299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 38.

The square root of 19242299 is about 4386.6044955067. The cubic root of 19242299 is about 267.9696770846.

The spelling of 19242299 in words is "nineteen million, two hundred forty-two thousand, two hundred ninety-nine".