2201246520 has 384 divisors, whose sum is σ = 7814016000. Its totient is φ = 494208000.

The previous prime is 2201246519. The next prime is 2201246521. The reversal of 2201246520 is 256421022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2201246519) and next prime (2201246521).

It is a super-2 number, since 2×2201246520² = 9690972483624220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201246521) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21794470 + ... + 21794570.

It is an arithmetic number, because the mean of its divisors is an integer number (20349000).

Almost surely, 2^2201246520 is an apocalyptic number.

2201246520 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 2201246520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3907008000).

2201246520 is an abundant number, since it is smaller than the sum of its proper divisors (5612769480).

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

2201246520 is a wasteful number, since it uses less digits than its factorization.

2201246520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2201246520 is about 46917.4436643771. The cubic root of 2201246520 is about 1300.8370388443.

Adding to 2201246520 its reverse (256421022), we get a palindrome (2457667542).

The spelling of 2201246520 in words is "two billion, two hundred one million, two hundred forty-six thousand, five hundred twenty".