2245477779 has 12 divisors (see below), whose sum is σ = 3414177000. Its totient is φ = 1418196384.

The previous prime is 2245477763. The next prime is 2245477799. The reversal of 2245477779 is 9777745422.

2245477779 is a `hidden beast` number, since 2 + 24 + 547 + 7 + 7 + 79 = 666.

2245477779 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 2245477779 - 2⁴ = 2245477763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2245477739) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6565554 + ... + 6565895.

It is an arithmetic number, because the mean of its divisors is an integer number (284514750).

Almost surely, 2^2245477779 is an apocalyptic number.

2245477779 is a deficient number, since it is larger than the sum of its proper divisors (1168699221).

2245477779 is a wasteful number, since it uses less digits than its factorization.

2245477779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13131474 (or 13131471 counting only the distinct ones).

The product of its digits is 6914880, while the sum is 54.

The square root of 2245477779 is about 47386.4725317258. The cubic root of 2245477779 is about 1309.4922140889.

The spelling of 2245477779 in words is "two billion, two hundred forty-five million, four hundred seventy-seven thousand, seven hundred seventy-nine".