19492201 has 8 divisors (see below), whose sum is σ = 20813760. Its totient is φ = 18210192.

The previous prime is 19492199. The next prime is 19492219. The reversal of 19492201 is 10229491.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 19492201 - 2¹ = 19492199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19492201.

It is not an unprimeable number, because it can be changed into a prime (19492801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8866 + ... + 10843.

It is an arithmetic number, because the mean of its divisors is an integer number (2601720).

Almost surely, 2^19492201 is an apocalyptic number.

It is an amenable number.

19492201 is a deficient number, since it is larger than the sum of its proper divisors (1321559).

19492201 is a wasteful number, since it uses less digits than its factorization.

19492201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19775.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 19492201 is about 4414.9972819924. The cubic root of 19492201 is about 269.1247423364.

The spelling of 19492201 in words is "nineteen million, four hundred ninety-two thousand, two hundred one".