1485212220 has 192 divisors, whose sum is σ = 4764211200. Its totient is φ = 383927040.

The previous prime is 1485212219. The next prime is 1485212233. The reversal of 1485212220 is 222125841.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3527610 + ... + 3528030.

It is an arithmetic number, because the mean of its divisors is an integer number (24813600).

Almost surely, 2^1485212220 is an apocalyptic number.

1485212220 is a gapful number since it is divisible by the number (10) 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 1485212220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2382105600).

1485212220 is an abundant number, since it is smaller than the sum of its proper divisors (3278998980).

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

1485212220 is a wasteful number, since it uses less digits than its factorization.

1485212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625 (or 617 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 1485212220 is about 38538.4511883911. The cubic root of 1485212220 is about 1140.9400832876.

It can be divided in two parts, 14852 and 12220, that added together give a palindrome (27072).

The spelling of 1485212220 in words is "one billion, four hundred eighty-five million, two hundred twelve thousand, two hundred twenty".