47091222 has 12 divisors (see below), whose sum is σ = 102031020. Its totient is φ = 15697068.

The previous prime is 47091221. The next prime is 47091223. The reversal of 47091222 is 22219074.

47091222 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 (47091221) and next prime (47091223).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47091221) 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 5 ways as a sum of consecutive naturals, for example, 1308072 + ... + 1308107.

It is an arithmetic number, because the mean of its divisors is an integer number (8502585).

Almost surely, 2^47091222 is an apocalyptic number.

47091222 is an abundant number, since it is smaller than the sum of its proper divisors (54939798).

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

47091222 is a wasteful number, since it uses less digits than its factorization.

47091222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616187 (or 2616184 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 47091222 is about 6862.3044234426. The cubic root of 47091222 is about 361.1159353745.

The spelling of 47091222 in words is "forty-seven million, ninety-one thousand, two hundred twenty-two".