2221404060 has 96 divisors (see below), whose sum is σ = 6540206400. Its totient is φ = 562544640.

The previous prime is 2221404049. The next prime is 2221404071. The reversal of 2221404060 is 604041222.

It is an interprime number because it is at equal distance from previous prime (2221404049) and next prime (2221404071).

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, 95676 + ... + 116604.

It is an arithmetic number, because the mean of its divisors is an integer number (68127150).

Almost surely, 2^2221404060 is an apocalyptic number.

2221404060 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 2221404060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3270103200).

2221404060 is an abundant number, since it is smaller than the sum of its proper divisors (4318802340).

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

2221404060 is a wasteful number, since it uses less digits than its factorization.

2221404060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21031 (or 21029 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2221404060 is about 47131.7733593804. The cubic root of 2221404060 is about 1304.7957108909.

Adding to 2221404060 its reverse (604041222), we get a palindrome (2825445282).

The spelling of 2221404060 in words is "two billion, two hundred twenty-one million, four hundred four thousand, sixty".