19442214 has 64 divisors (see below), whose sum is σ = 47900160. Its totient is φ = 5796000.

The previous prime is 19442191. The next prime is 19442231. The reversal of 19442214 is 41224491.

It is a happy number.

19442214 is a `hidden beast` number, since 1 + 9 + 442 + 214 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41944 + ... + 42404.

It is an arithmetic number, because the mean of its divisors is an integer number (748440).

Almost surely, 2^19442214 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19442214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23950080).

19442214 is an abundant number, since it is smaller than the sum of its proper divisors (28457946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19442214 is a wasteful number, since it uses less digits than its factorization.

19442214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 548 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 19442214 is about 4409.3326025602. The cubic root of 19442214 is about 268.8944920501.

The spelling of 19442214 in words is "nineteen million, four hundred forty-two thousand, two hundred fourteen".