19212234 has 8 divisors (see below), whose sum is σ = 38424480. Its totient is φ = 6404076.

The previous prime is 19212223. The next prime is 19212257. The reversal of 19212234 is 43221291.

It is a sphenic number, since it is the product of 3 distinct primes.

19212234 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1601014 + ... + 1601025.

It is an arithmetic number, because the mean of its divisors is an integer number (4803060).

Almost surely, 2^19212234 is an apocalyptic number.

19212234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19212234 is a wasteful number, since it uses less digits than its factorization.

19212234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202044.

The product of its digits is 864, while the sum is 24.

The square root of 19212234 is about 4383.1762456009. The cubic root of 19212234 is about 267.8300418651.

The spelling of 19212234 in words is "nineteen million, two hundred twelve thousand, two hundred thirty-four".