19219794 has 16 divisors (see below), whose sum is σ = 41934240. Its totient is φ = 5824160.

The previous prime is 19219787. The next prime is 19219801. The reversal of 19219794 is 49791291.

It is an interprime number because it is at equal distance from previous prime (19219787) and next prime (19219801).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145539 + ... + 145670.

It is an arithmetic number, because the mean of its divisors is an integer number (2620890).

Almost surely, 2^19219794 is an apocalyptic number.

19219794 is an abundant number, since it is smaller than the sum of its proper divisors (22714446).

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

19219794 is a wasteful number, since it uses less digits than its factorization.

19219794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291225.

The product of its digits is 40824, while the sum is 42.

The square root of 19219794 is about 4384.0385491006. The cubic root of 19219794 is about 267.8651675666.

It can be divided in two parts, 192197 and 94, that added together give a palindrome (192291).

The spelling of 19219794 in words is "nineteen million, two hundred nineteen thousand, seven hundred ninety-four".