2200402561 has 8 divisors (see below), whose sum is σ = 2522681280. Its totient is φ = 1880107728.

The previous prime is 2200402549. The next prime is 2200402591. The reversal of 2200402561 is 1652040022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2200402561 - 2²¹ = 2198305409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2200402591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493591 + ... + 498028.

It is an arithmetic number, because the mean of its divisors is an integer number (315335160).

Almost surely, 2^2200402561 is an apocalyptic number.

It is an amenable number.

2200402561 is a deficient number, since it is larger than the sum of its proper divisors (322278719).

2200402561 is an equidigital number, since it uses as much as digits as its factorization.

2200402561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991943.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2200402561 is about 46908.4487166225. The cubic root of 2200402561 is about 1300.6707704063.

Adding to 2200402561 its reverse (1652040022), we get a palindrome (3852442583).

The spelling of 2200402561 in words is "two billion, two hundred million, four hundred two thousand, five hundred sixty-one".