2220600261 has 16 divisors (see below), whose sum is σ = 3242257920. Its totient is φ = 1340695920.

The previous prime is 2220600253. The next prime is 2220600271. The reversal of 2220600261 is 1620060222.

2220600261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2220600261 - 2³ = 2220600253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220600271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119251 + ... + 136608.

It is an arithmetic number, because the mean of its divisors is an integer number (202641120).

Almost surely, 2^2220600261 is an apocalyptic number.

It is an amenable number.

2220600261 is a deficient number, since it is larger than the sum of its proper divisors (1021657659).

2220600261 is a wasteful number, since it uses less digits than its factorization.

2220600261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256136.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 2220600261 is about 47123.2454421382. The cubic root of 2220600261 is about 1304.6383149401.

Adding to 2220600261 its reverse (1620060222), we get a palindrome (3840660483).

The spelling of 2220600261 in words is "two billion, two hundred twenty million, six hundred thousand, two hundred sixty-one".