2216261077 has 8 divisors (see below), whose sum is σ = 2274152832. Its totient is φ = 2158816800.

The previous prime is 2216261063. The next prime is 2216261081. The reversal of 2216261077 is 7701626122.

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 2216261077 - 2¹¹ = 2216259029 is a prime.

It is a super-2 number, since 2×2216261077² = 9823626322850399858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216261017) 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, 101824 + ... + 121657.

It is an arithmetic number, because the mean of its divisors is an integer number (284269104).

Almost surely, 2^2216261077 is an apocalyptic number.

It is an amenable number.

2216261077 is a deficient number, since it is larger than the sum of its proper divisors (57891755).

2216261077 is a wasteful number, since it uses less digits than its factorization.

2216261077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223739.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 2216261077 is about 47077.1821268011. The cubic root of 2216261077 is about 1303.7879807366.

Adding to 2216261077 its reverse (7701626122), we get a palindrome (9917887199).

The spelling of 2216261077 in words is "two billion, two hundred sixteen million, two hundred sixty-one thousand, seventy-seven".