1415252220 has 96 divisors (see below), whose sum is σ = 4080014400. Its totient is φ = 366280704.

The previous prime is 1415252219. The next prime is 1415252231. The reversal of 1415252220 is 222525141.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1706766 + ... + 1707594.

It is an arithmetic number, because the mean of its divisors is an integer number (42500150).

Almost surely, 2^1415252220 is an apocalyptic number.

1415252220 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 1415252220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2040007200).

1415252220 is an abundant number, since it is smaller than the sum of its proper divisors (2664762180).

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

1415252220 is a wasteful number, since it uses less digits than its factorization.

1415252220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647 (or 1645 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1415252220 is about 37619.8381176740. The cubic root of 1415252220 is about 1122.7367754316.

Adding to 1415252220 its reverse (222525141), we get a palindrome (1637777361).

The spelling of 1415252220 in words is "one billion, four hundred fifteen million, two hundred fifty-two thousand, two hundred twenty".