19402214 has 24 divisors (see below), whose sum is σ = 31820040. Its totient is φ = 8868288.

The previous prime is 19402199. The next prime is 19402237. The reversal of 19402214 is 41220491.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 19402214.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 46097 + ... + 46515.

It is an arithmetic number, because the mean of its divisors is an integer number (1325835).

Almost surely, 2^19402214 is an apocalyptic number.

19402214 is a deficient number, since it is larger than the sum of its proper divisors (12417826).

19402214 is a wasteful number, since it uses less digits than its factorization.

19402214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 19402214 is about 4404.7944333419. The cubic root of 19402214 is about 268.7099594936.

The spelling of 19402214 in words is "nineteen million, four hundred two thousand, two hundred fourteen".