2107774221 has 16 divisors (see below), whose sum is σ = 3225292800. Its totient is φ = 1199400048.

The previous prime is 2107774219. The next prime is 2107774271. The reversal of 2107774221 is 1224777012.

It is not a de Polignac number, because 2107774221 - 2¹ = 2107774219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2107774271) 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, 204961 + ... + 214998.

It is an arithmetic number, because the mean of its divisors is an integer number (201580800).

Almost surely, 2^2107774221 is an apocalyptic number.

2107774221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2107774221 is a deficient number, since it is larger than the sum of its proper divisors (1117518579).

2107774221 is a wasteful number, since it uses less digits than its factorization.

2107774221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420208.

The product of its (nonzero) digits is 10976, while the sum is 33.

The square root of 2107774221 is about 45910.5022952265. The cubic root of 2107774221 is about 1282.1574579262.

The spelling of 2107774221 in words is "two billion, one hundred seven million, seven hundred seventy-four thousand, two hundred twenty-one".