2709561222 has 12 divisors (see below), whose sum is σ = 5870716020. Its totient is φ = 903187068.

The previous prime is 2709561191. The next prime is 2709561259. The reversal of 2709561222 is 2221659072.

It is a happy number.

2709561222 is a `hidden beast` number, since 2 + 70 + 9 + 561 + 2 + 22 = 666.

It is a super-2 number, since 2×2709561222² = 14683444031532266568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75265572 + ... + 75265607.

It is an arithmetic number, because the mean of its divisors is an integer number (489226335).

Almost surely, 2^2709561222 is an apocalyptic number.

2709561222 is an abundant number, since it is smaller than the sum of its proper divisors (3161154798).

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

2709561222 is a wasteful number, since it uses less digits than its factorization.

2709561222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150531187 (or 150531184 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 2709561222 is about 52053.4458225390. The cubic root of 2709561222 is about 1394.1183900433.

The spelling of 2709561222 in words is "two billion, seven hundred nine million, five hundred sixty-one thousand, two hundred twenty-two".