19342274 has 16 divisors (see below), whose sum is σ = 33360768. Its totient is φ = 8238912.

The previous prime is 19342273. The next prime is 19342289. The reversal of 19342274 is 47224391.

It is a self number, because there is not a number n which added to its sum of digits gives 19342274.

It is not an unprimeable number, because it can be changed into a prime (19342273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1799 + ... + 6474.

It is an arithmetic number, because the mean of its divisors is an integer number (2085048).

Almost surely, 2^19342274 is an apocalyptic number.

19342274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19342274 is a deficient number, since it is larger than the sum of its proper divisors (14018494).

19342274 is a wasteful number, since it uses less digits than its factorization.

19342274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8449.

The product of its digits is 12096, while the sum is 32.

The square root of 19342274 is about 4397.9852205300. The cubic root of 19342274 is about 268.4329620744.

The spelling of 19342274 in words is "nineteen million, three hundred forty-two thousand, two hundred seventy-four".