47221460 has 144 divisors (see below), whose sum is σ = 125126400. Its totient is φ = 14826240.

The previous prime is 47221459. The next prime is 47221469. The reversal of 47221460 is 6412274.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47221469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 597701 + ... + 597779.

Almost surely, 2^47221460 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 47221460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62563200).

47221460 is an abundant number, since it is smaller than the sum of its proper divisors (77904940).

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

47221460 is a wasteful number, since it uses less digits than its factorization.

47221460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 47221460 is about 6871.7872493260. The cubic root of 47221460 is about 361.4485361192.

It can be divided in two parts, 472214 and 60, that added together give a palindrome (472274).

The spelling of 47221460 in words is "forty-seven million, two hundred twenty-one thousand, four hundred sixty".