2216142460 has 96 divisors (see below), whose sum is σ = 5570353152. Its totient is φ = 724120320.

The previous prime is 2216142443. The next prime is 2216142473. The reversal of 2216142460 is 642416122.

It is a super-2 number, since 2×2216142460² = 9822574806029703200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 1000314 + ... + 1002526.

It is an arithmetic number, because the mean of its divisors is an integer number (58024512).

Almost surely, 2^2216142460 is an apocalyptic number.

2216142460 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 2216142460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2785176576).

2216142460 is an abundant number, since it is smaller than the sum of its proper divisors (3354210692).

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

2216142460 is a wasteful number, since it uses less digits than its factorization.

2216142460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563 (or 2561 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 2216142460 is about 47075.9222957979. The cubic root of 2216142460 is about 1303.7647202132.

Adding to 2216142460 its reverse (642416122), we get a palindrome (2858558582).

The spelling of 2216142460 in words is "two billion, two hundred sixteen million, one hundred forty-two thousand, four hundred sixty".