462221130 has 64 divisors (see below), whose sum is σ = 1273206528. Its totient is φ = 105200640.

The previous prime is 462221119. The next prime is 462221161. The reversal of 462221130 is 31122264.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 462221097 and 462221106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46044 + ... + 55176.

It is an arithmetic number, because the mean of its divisors is an integer number (19893852).

Almost surely, 2^462221130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 462221130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636603264).

462221130 is an abundant number, since it is smaller than the sum of its proper divisors (810985398).

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

462221130 is a wasteful number, since it uses less digits than its factorization.

462221130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9391.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 462221130 is about 21499.3285941678. The cubic root of 462221130 is about 773.1847240120.

Adding to 462221130 its reverse (31122264), we get a palindrome (493343394).

It can be divided in two parts, 4622 and 21130, that added together give a palindrome (25752).

The spelling of 462221130 in words is "four hundred sixty-two million, two hundred twenty-one thousand, one hundred thirty".