47220485 has 8 divisors (see below), whose sum is σ = 61023480. Its totient is φ = 34870464.

The previous prime is 47220451. The next prime is 47220517. The reversal of 47220485 is 58402274.

It can be written as a sum of positive squares in 4 ways, for example, as 8755681 + 38464804 = 2959^2 + 6202^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47220485 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363170 + ... + 363299.

It is an arithmetic number, because the mean of its divisors is an integer number (7627935).

Almost surely, 2^47220485 is an apocalyptic number.

It is an amenable number.

47220485 is a deficient number, since it is larger than the sum of its proper divisors (13802995).

47220485 is a wasteful number, since it uses less digits than its factorization.

47220485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726487.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 47220485 is about 6871.7163067170. The cubic root of 47220485 is about 361.4460484456.

The spelling of 47220485 in words is "forty-seven million, two hundred twenty thousand, four hundred eighty-five".