47220584 has 32 divisors (see below), whose sum is σ = 94084200. Its totient is φ = 22176000.

The previous prime is 47220583. The next prime is 47220599. The reversal of 47220584 is 48502274.

It can be written as a sum of positive squares in 4 ways, for example, as 45832900 + 1387684 = 6770^2 + 1178^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 47220584.

It is not an unprimeable number, because it can be changed into a prime (47220581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5834 + ... + 11334.

Almost surely, 2^47220584 is an apocalyptic number.

It is an amenable number.

47220584 is a deficient number, since it is larger than the sum of its proper divisors (46863616).

47220584 is a wasteful number, since it uses less digits than its factorization.

47220584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5573 (or 5569 counting only the distinct ones).

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

The square root of 47220584 is about 6871.7235101538. The cubic root of 47220584 is about 361.4463010417.

The spelling of 47220584 in words is "forty-seven million, two hundred twenty thousand, five hundred eighty-four".