2222773261 has 8 divisors (see below), whose sum is σ = 2294443800. Its totient is φ = 2151713088.

The previous prime is 2222773249. The next prime is 2222773297. The reversal of 2222773261 is 1623772222.

It can be written as a sum of positive squares in 4 ways, for example, as 1006856361 + 1215916900 = 31731^2 + 34870^2 .

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 2222773261 - 2²¹ = 2220676109 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 (2222773361) 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, 145186 + ... + 159763.

It is an arithmetic number, because the mean of its divisors is an integer number (286805475).

Almost surely, 2^2222773261 is an apocalyptic number.

It is an amenable number.

2222773261 is a deficient number, since it is larger than the sum of its proper divisors (71670539).

2222773261 is a wasteful number, since it uses less digits than its factorization.

2222773261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305183.

The product of its digits is 28224, while the sum is 34.

The square root of 2222773261 is about 47146.2963656744. The cubic root of 2222773261 is about 1305.0637336694.

The spelling of 2222773261 in words is "two billion, two hundred twenty-two million, seven hundred seventy-three thousand, two hundred sixty-one".