47223142 has 8 divisors (see below), whose sum is σ = 71375832. Its totient is φ = 23431200.

The previous prime is 47223139. The next prime is 47223167. The reversal of 47223142 is 24132274.

It is a happy number.

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

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 3 ways as a sum of consecutive naturals, for example, 89859 + ... + 90382.

It is an arithmetic number, because the mean of its divisors is an integer number (8921979).

Almost surely, 2^47223142 is an apocalyptic number.

47223142 is a deficient number, since it is larger than the sum of its proper divisors (24152690).

47223142 is a wasteful number, since it uses less digits than its factorization.

47223142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180374.

The product of its digits is 2688, while the sum is 25.

The square root of 47223142 is about 6871.9096327004. The cubic root of 47223142 is about 361.4528275948.

The spelling of 47223142 in words is "forty-seven million, two hundred twenty-three thousand, one hundred forty-two".