2201124420 has 288 divisors, whose sum is σ = 7555451904. Its totient is φ = 514080000.

The previous prime is 2201124391. The next prime is 2201124491. The reversal of 2201124420 is 244211022.

2201124420 is a `hidden beast` number, since 220 + 1 + 1 + 2 + 442 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2201124393 and 2201124402.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8769295 + ... + 8769545.

It is an arithmetic number, because the mean of its divisors is an integer number (26234208).

Almost surely, 2^2201124420 is an apocalyptic number.

2201124420 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 2201124420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3777725952).

2201124420 is an abundant number, since it is smaller than the sum of its proper divisors (5354327484).

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

2201124420 is a wasteful number, since it uses less digits than its factorization.

2201124420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2201124420 is about 46916.1424245430. The cubic root of 2201124420 is about 1300.8129865422.

Adding to 2201124420 its reverse (244211022), we get a palindrome (2445335442).

It can be divided in two parts, 2201 and 124420, that added together give a palindrome (126621).

The spelling of 2201124420 in words is "two billion, two hundred one million, one hundred twenty-four thousand, four hundred twenty".