19422133 has 4 divisors (see below), whose sum is σ = 19435788. Its totient is φ = 19408480.

The previous prime is 19422131. The next prime is 19422149. The reversal of 19422133 is 33122491.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12229009 + 7193124 = 3497^2 + 2682^2 .

It is a cyclic number.

It is not a de Polignac number, because 19422133 - 2¹ = 19422131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19422098 and 19422107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19422131) 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 3 ways as a sum of consecutive naturals, for example, 4408 + ... + 7633.

It is an arithmetic number, because the mean of its divisors is an integer number (4858947).

Almost surely, 2^19422133 is an apocalyptic number.

It is an amenable number.

19422133 is a deficient number, since it is larger than the sum of its proper divisors (13655).

19422133 is a wasteful number, since it uses less digits than its factorization.

19422133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13654.

The product of its digits is 1296, while the sum is 25.

The square root of 19422133 is about 4407.0549122969. The cubic root of 19422133 is about 268.8018837633.

The spelling of 19422133 in words is "nineteen million, four hundred twenty-two thousand, one hundred thirty-three".