47085229 has 4 divisors (see below), whose sum is σ = 47857180. Its totient is φ = 46313280.

The previous prime is 47085217. The next prime is 47085251. The reversal of 47085229 is 92258074.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92258074 = 2 ⋅46129037.

It can be written as a sum of positive squares in 2 ways, for example, as 9753129 + 37332100 = 3123^2 + 6110^2 .

It is a cyclic number.

It is not a de Polignac number, because 47085229 - 2⁵ = 47085197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47085329) 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, 385884 + ... + 386005.

It is an arithmetic number, because the mean of its divisors is an integer number (11964295).

Almost surely, 2^47085229 is an apocalyptic number.

It is an amenable number.

47085229 is a deficient number, since it is larger than the sum of its proper divisors (771951).

47085229 is an equidigital number, since it uses as much as digits as its factorization.

47085229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771950.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 47085229 is about 6861.8677486527. The cubic root of 47085229 is about 361.1006157493.

The spelling of 47085229 in words is "forty-seven million, eighty-five thousand, two hundred twenty-nine".