47225913 has 8 divisors (see below), whose sum is σ = 71963328. Its totient is φ = 26986224.

The previous prime is 47225897. The next prime is 47225953. The reversal of 47225913 is 31952274.

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

It is not a de Polignac number, because 47225913 - 2⁴ = 47225897 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47225953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1124406 + ... + 1124447.

It is an arithmetic number, because the mean of its divisors is an integer number (8995416).

Almost surely, 2^47225913 is an apocalyptic number.

It is an amenable number.

47225913 is a deficient number, since it is larger than the sum of its proper divisors (24737415).

47225913 is a wasteful number, since it uses less digits than its factorization.

47225913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248863.

The product of its digits is 15120, while the sum is 33.

The square root of 47225913 is about 6872.1112476444. Note that the first 3 decimals coincide. The cubic root of 47225913 is about 361.4598973361.

The spelling of 47225913 in words is "forty-seven million, two hundred twenty-five thousand, nine hundred thirteen".