47011222 has 16 divisors (see below), whose sum is σ = 75030192. Its totient is φ = 22014720.

The previous prime is 47011177. The next prime is 47011229. The reversal of 47011222 is 22211074.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 47011222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47011229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3898 + ... + 10450.

It is an arithmetic number, because the mean of its divisors is an integer number (4689387).

Almost surely, 2^47011222 is an apocalyptic number.

47011222 is a deficient number, since it is larger than the sum of its proper divisors (28018970).

47011222 is a wasteful number, since it uses less digits than its factorization.

47011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6783.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 47011222 is about 6856.4730000198. The cubic root of 47011222 is about 360.9113278887.

Adding to 47011222 its reverse (22211074), we get a palindrome (69222296).

The spelling of 47011222 in words is "forty-seven million, eleven thousand, two hundred twenty-two".