189226742 has 8 divisors (see below), whose sum is σ = 284698632. Its totient is φ = 94327200.

The previous prime is 189226721. The next prime is 189226777. The reversal of 189226742 is 247622981.

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

It is a self number, because there is not a number n which added to its sum of digits gives 189226742.

It is a congruent 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, 142259 + ... + 143582.

It is an arithmetic number, because the mean of its divisors is an integer number (35587329).

Almost surely, 2^189226742 is an apocalyptic number.

189226742 is a deficient number, since it is larger than the sum of its proper divisors (95471890).

189226742 is a wasteful number, since it uses less digits than its factorization.

189226742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286174.

The product of its digits is 96768, while the sum is 41.

The square root of 189226742 is about 13755.9711398360. The cubic root of 189226742 is about 574.1087561573.

The spelling of 189226742 in words is "one hundred eighty-nine million, two hundred twenty-six thousand, seven hundred forty-two".