47622287 has 12 divisors (see below), whose sum is σ = 50839200. Its totient is φ = 44599296.

The previous prime is 47622241. The next prime is 47622307. The reversal of 47622287 is 78222674.

It is a happy number.

It is not a de Polignac number, because 47622287 - 2¹⁰ = 47621263 is a prime.

It is a super-2 number, since 2×47622287² = 4535764438220738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47622287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47622787) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105839 + ... + 106287.

It is an arithmetic number, because the mean of its divisors is an integer number (4236600).

Almost surely, 2^47622287 is an apocalyptic number.

47622287 is a deficient number, since it is larger than the sum of its proper divisors (3216913).

47622287 is a wasteful number, since it uses less digits than its factorization.

47622287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 833 counting only the distinct ones).

The product of its digits is 75264, while the sum is 38.

The square root of 47622287 is about 6900.8903048810. The cubic root of 47622287 is about 362.4683431729.

The spelling of 47622287 in words is "forty-seven million, six hundred twenty-two thousand, two hundred eighty-seven".