2226161277 has 24 divisors (see below), whose sum is σ = 3476297760. Its totient is φ = 1367992800.

The previous prime is 2226161263. The next prime is 2226161291. The reversal of 2226161277 is 7721616222.

It is a happy number.

2226161277 is a `hidden beast` number, since 2 + 22 + 616 + 12 + 7 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (2226161263) and next prime (2226161291).

It is not a de Polignac number, because 2226161277 - 2⁴ = 2226161261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2226161257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169599 + ... + 182252.

It is an arithmetic number, because the mean of its divisors is an integer number (144845740).

Almost surely, 2^2226161277 is an apocalyptic number.

It is an amenable number.

2226161277 is a deficient number, since it is larger than the sum of its proper divisors (1250136483).

2226161277 is a wasteful number, since it uses less digits than its factorization.

2226161277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351913 (or 351910 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 2226161277 is about 47182.2135661310. The cubic root of 2226161277 is about 1305.7264691644.

Adding to 2226161277 its reverse (7721616222), we get a palindrome (9947777499).

It can be divided in two parts, 22261 and 61277, that added together give a palindrome (83538).

The spelling of 2226161277 in words is "two billion, two hundred twenty-six million, one hundred sixty-one thousand, two hundred seventy-seven".