2277931906 has 16 divisors (see below), whose sum is σ = 3490401600. Its totient is φ = 1114652880.

The previous prime is 2277931897. The next prime is 2277931913. The reversal of 2277931906 is 6091397722.

2277931906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22636 + ... + 71191.

It is an arithmetic number, because the mean of its divisors is an integer number (218150100).

Almost surely, 2^2277931906 is an apocalyptic number.

2277931906 is a deficient number, since it is larger than the sum of its proper divisors (1212469694).

2277931906 is a wasteful number, since it uses less digits than its factorization.

2277931906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94089.

The product of its (nonzero) digits is 285768, while the sum is 46.

The square root of 2277931906 is about 47727.6849009042. The cubic root of 2277931906 is about 1315.7708051598.

The spelling of 2277931906 in words is "two billion, two hundred seventy-seven million, nine hundred thirty-one thousand, nine hundred six".