2277228251 has 16 divisors (see below), whose sum is σ = 2465095680. Its totient is φ = 2095739520.

The previous prime is 2277228221. The next prime is 2277228253. The reversal of 2277228251 is 1528227722.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2277228251 - 2²² = 2273033947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2277228253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185630 + ... + 197516.

It is an arithmetic number, because the mean of its divisors is an integer number (154068480).

Almost surely, 2^2277228251 is an apocalyptic number.

2277228251 is a deficient number, since it is larger than the sum of its proper divisors (187867429).

2277228251 is a wasteful number, since it uses less digits than its factorization.

2277228251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12154.

The product of its digits is 62720, while the sum is 38.

The square root of 2277228251 is about 47720.3127713975. The cubic root of 2277228251 is about 1315.6353103203.

The spelling of 2277228251 in words is "two billion, two hundred seventy-seven million, two hundred twenty-eight thousand, two hundred fifty-one".