2656611227 has 4 divisors (see below), whose sum is σ = 2656833840. Its totient is φ = 2656388616.

The previous prime is 2656611193. The next prime is 2656611241. The reversal of 2656611227 is 7221166562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2656611227 - 2¹⁶ = 2656545691 is a prime.

It is a super-2 number, since 2×2656611227² = 14115166422844891058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2656616227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92327 + ... + 117632.

It is an arithmetic number, because the mean of its divisors is an integer number (664208460).

Almost surely, 2^2656611227 is an apocalyptic number.

2656611227 is a deficient number, since it is larger than the sum of its proper divisors (222613).

2656611227 is a wasteful number, since it uses less digits than its factorization.

2656611227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222612.

The product of its digits is 60480, while the sum is 38.

The square root of 2656611227 is about 51542.3246177353. The cubic root of 2656611227 is about 1384.9773401394.

Adding to 2656611227 its reverse (7221166562), we get a palindrome (9877777789).

The spelling of 2656611227 in words is "two billion, six hundred fifty-six million, six hundred eleven thousand, two hundred twenty-seven".