2176228461 has 16 divisors (see below), whose sum is σ = 3189593088. Its totient is φ = 1308855600.

The previous prime is 2176228391. The next prime is 2176228487. The reversal of 2176228461 is 1648226712.

2176228461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2176228461 - 2⁷ = 2176228333 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2176228661) 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, 247381 + ... + 256026.

It is an arithmetic number, because the mean of its divisors is an integer number (199349568).

Almost surely, 2^2176228461 is an apocalyptic number.

It is an amenable number.

2176228461 is a deficient number, since it is larger than the sum of its proper divisors (1013364627).

2176228461 is a wasteful number, since it uses less digits than its factorization.

2176228461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503552.

The product of its digits is 64512, while the sum is 39.

The square root of 2176228461 is about 46650.0638906315. The cubic root of 2176228461 is about 1295.8900697176.

The spelling of 2176228461 in words is "two billion, one hundred seventy-six million, two hundred twenty-eight thousand, four hundred sixty-one".