2214616655 has 4 divisors (see below), whose sum is σ = 2657539992. Its totient is φ = 1771693320.

The previous prime is 2214616643. The next prime is 2214616669. The reversal of 2214616655 is 5566164122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5566164122 = 2 ⋅2783082061.

It is not a de Polignac number, because 2214616655 - 2¹⁰ = 2214615631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221461661 + ... + 221461670.

It is an arithmetic number, because the mean of its divisors is an integer number (664384998).

Almost surely, 2^2214616655 is an apocalyptic number.

2214616655 is a deficient number, since it is larger than the sum of its proper divisors (442923337).

2214616655 is an equidigital number, since it uses as much as digits as its factorization.

2214616655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442923336.

The product of its digits is 86400, while the sum is 38.

The square root of 2214616655 is about 47059.7137156613. The cubic root of 2214616655 is about 1303.4654392962.

The spelling of 2214616655 in words is "two billion, two hundred fourteen million, six hundred sixteen thousand, six hundred fifty-five".