470221227564 has 96 divisors (see below), whose sum is σ = 1201931695104. Its totient is φ = 141896128320.

The previous prime is 470221227533. The next prime is 470221227569. The reversal of 470221227564 is 465722122074.

It is a happy number.

It is a super-2 number, since 2×470221227564² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (470221227569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77809527 + ... + 77815569.

It is an arithmetic number, because the mean of its divisors is an integer number (12520121824).

Almost surely, 2^470221227564 is an apocalyptic number.

470221227564 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 470221227564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (600965847552).

470221227564 is an abundant number, since it is smaller than the sum of its proper divisors (731710467540).

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

470221227564 is a wasteful number, since it uses less digits than its factorization.

470221227564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8427 (or 8425 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 42.

The spelling of 470221227564 in words is "four hundred seventy billion, two hundred twenty-one million, two hundred twenty-seven thousand, five hundred sixty-four".