47224620 has 168 divisors, whose sum is σ = 154244160. Its totient is φ = 12130560.

The previous prime is 47224607. The next prime is 47224627. The reversal of 47224620 is 2642274.

47224620 = 1067² + 1068² + ... + 1106².

It is a happy number.

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 (47224627) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 597741 + ... + 597819.

It is an arithmetic number, because the mean of its divisors is an integer number (918120).

Almost surely, 2^47224620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47224620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77122080).

47224620 is an abundant number, since it is smaller than the sum of its proper divisors (107019540).

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

47224620 is a wasteful number, since it uses less digits than its factorization.

47224620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 47224620 is about 6872.0171711078. The cubic root of 47224620 is about 361.4565984981.

Adding to 47224620 its reverse (2642274), we get a palindrome (49866894).

The spelling of 47224620 in words is "forty-seven million, two hundred twenty-four thousand, six hundred twenty".