47642224 has 20 divisors (see below), whose sum is σ = 105493744. Its totient is φ = 20418048.

The previous prime is 47642219. The next prime is 47642233. The reversal of 47642224 is 42224674.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212577 + ... + 212800.

Almost surely, 2^47642224 is an apocalyptic number.

It is an amenable number.

47642224 is an abundant number, since it is smaller than the sum of its proper divisors (57851520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47642224 is a wasteful number, since it uses less digits than its factorization.

47642224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425392 (or 425386 counting only the distinct ones).

The product of its digits is 21504, while the sum is 31.

The square root of 47642224 is about 6902.3346774841. The cubic root of 47642224 is about 362.5189183943.

Adding to 47642224 its reverse (42224674), we get a palindrome (89866898).

The spelling of 47642224 in words is "forty-seven million, six hundred forty-two thousand, two hundred twenty-four".