47222566 has 16 divisors (see below), whose sum is σ = 75954240. Its totient is φ = 21939840.

The previous prime is 47222561. The next prime is 47222569. The reversal of 47222566 is 66522274.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47222561) 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, 6105 + ... + 11476.

It is an arithmetic number, because the mean of its divisors is an integer number (4747140).

Almost surely, 2^47222566 is an apocalyptic number.

47222566 is a deficient number, since it is larger than the sum of its proper divisors (28731674).

47222566 is a wasteful number, since it uses less digits than its factorization.

47222566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17679.

The product of its digits is 40320, while the sum is 34.

The square root of 47222566 is about 6871.8677228247. The cubic root of 47222566 is about 361.4513579927.

The spelling of 47222566 in words is "forty-seven million, two hundred twenty-two thousand, five hundred sixty-six".