2215050420 has 192 divisors, whose sum is σ = 7234375680. Its totient is φ = 500966400.

The previous prime is 2215050401. The next prime is 2215050449. The reversal of 2215050420 is 240505122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 620601 + ... + 624159.

It is an arithmetic number, because the mean of its divisors is an integer number (37679040).

Almost surely, 2^2215050420 is an apocalyptic number.

2215050420 is a gapful number since it is divisible by the number (20) 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 2215050420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3617187840).

2215050420 is an abundant number, since it is smaller than the sum of its proper divisors (5019325260).

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

2215050420 is a wasteful number, since it uses less digits than its factorization.

2215050420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3646 (or 3644 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2215050420 is about 47064.3221559601. The cubic root of 2215050420 is about 1303.5505346519.

Adding to 2215050420 its reverse (240505122), we get a palindrome (2455555542).

The spelling of 2215050420 in words is "two billion, two hundred fifteen million, fifty thousand, four hundred twenty".