47228157422 has 4 divisors (see below), whose sum is σ = 70842236136. Its totient is φ = 23614078710.

The previous prime is 47228157421. The next prime is 47228157433. The reversal of 47228157422 is 22475182274.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47228157421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11807039354 + ... + 11807039357.

It is an arithmetic number, because the mean of its divisors is an integer number (17710559034).

Almost surely, 2^47228157422 is an apocalyptic number.

47228157422 is a deficient number, since it is larger than the sum of its proper divisors (23614078714).

47228157422 is a wasteful number, since it uses less digits than its factorization.

47228157422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23614078713.

The product of its digits is 501760, while the sum is 44.

The spelling of 47228157422 in words is "forty-seven billion, two hundred twenty-eight million, one hundred fifty-seven thousand, four hundred twenty-two".