2220032261 has 8 divisors (see below), whose sum is σ = 2352299904. Its totient is φ = 2087951040.

The previous prime is 2220032209. The next prime is 2220032279. The reversal of 2220032261 is 1622300222.

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 2220032261 - 2¹⁰ = 2220031237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220032161) 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, 21695 + ... + 70076.

It is an arithmetic number, because the mean of its divisors is an integer number (294037488).

Almost surely, 2^2220032261 is an apocalyptic number.

It is an amenable number.

2220032261 is a deficient number, since it is larger than the sum of its proper divisors (132267643).

2220032261 is a wasteful number, since it uses less digits than its factorization.

2220032261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93211.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2220032261 is about 47117.2183071115. The cubic root of 2220032261 is about 1304.5270690805.

Adding to 2220032261 its reverse (1622300222), we get a palindrome (3842332483).

The spelling of 2220032261 in words is "two billion, two hundred twenty million, thirty-two thousand, two hundred sixty-one".