47225771 has 4 divisors (see below), whose sum is σ = 47241600. Its totient is φ = 47209944.

The previous prime is 47225747. The next prime is 47225807. The reversal of 47225771 is 17752274.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47225771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47225701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1931 + ... + 9908.

It is an arithmetic number, because the mean of its divisors is an integer number (11810400).

Almost surely, 2^47225771 is an apocalyptic number.

47225771 is a deficient number, since it is larger than the sum of its proper divisors (15829).

47225771 is a wasteful number, since it uses less digits than its factorization.

47225771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15828.

The product of its digits is 27440, while the sum is 35.

The square root of 47225771 is about 6872.1009160227. The cubic root of 47225771 is about 361.4595350536.

The spelling of 47225771 in words is "forty-seven million, two hundred twenty-five thousand, seven hundred seventy-one".