47811222 has 24 divisors (see below), whose sum is σ = 107428776. Its totient is φ = 15936912.

The previous prime is 47811221. The next prime is 47811223. The reversal of 47811222 is 22211874.

47811222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (47811221) and next prime (47811223).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47811221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48703 + ... + 49674.

It is an arithmetic number, because the mean of its divisors is an integer number (4476199).

Almost surely, 2^47811222 is an apocalyptic number.

47811222 is an abundant number, since it is smaller than the sum of its proper divisors (59617554).

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

47811222 is an equidigital number, since it uses as much as digits as its factorization.

47811222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98394 (or 98382 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 47811222 is about 6914.5659299771. The cubic root of 47811222 is about 362.9470587364.

The spelling of 47811222 in words is "forty-seven million, eight hundred eleven thousand, two hundred twenty-two".