2201520 has 40 divisors (see below), whose sum is σ = 6825456. Its totient is φ = 587008.

The previous prime is 2201519. The next prime is 2201531. The reversal of 2201520 is 251022.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2201496 and 2201505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4347 + ... + 4826.

2^2201520 is an apocalyptic number.

2201520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2201520 is an abundant number, since it is smaller than the sum of its proper divisors (4623936).

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

2201520 is a wasteful number, since it uses less digits than its factorization.

2201520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9189 (or 9183 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 2201520 is about 1483.7520008411. The cubic root of 2201520 is about 130.0890908047.

Adding to 2201520 its reverse (251022), we get a palindrome (2452542).

The spelling of 2201520 in words is "two million, two hundred one thousand, five hundred twenty".