47216622 has 16 divisors (see below), whose sum is σ = 94534992. Its totient is φ = 15721920.

The previous prime is 47216621. The next prime is 47216629. The reversal of 47216622 is 22661274.

It is a self number, because there is not a number n which added to its sum of digits gives 47216622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47216621) 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, 2658 + ... + 10074.

It is an arithmetic number, because the mean of its divisors is an integer number (5908437).

Almost surely, 2^47216622 is an apocalyptic number.

47216622 is an abundant number, since it is smaller than the sum of its proper divisors (47318370).

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

47216622 is a wasteful number, since it uses less digits than its factorization.

47216622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8483.

The product of its digits is 8064, while the sum is 30.

The square root of 47216622 is about 6871.4352212620. The cubic root of 47216622 is about 361.4361918183.

Adding to 47216622 its reverse (22661274), we get a palindrome (69877896).

The spelling of 47216622 in words is "forty-seven million, two hundred sixteen thousand, six hundred twenty-two".