2225561366 has 16 divisors (see below), whose sum is σ = 3867513504. Its totient is φ = 940745664.

The previous prime is 2225561357. The next prime is 2225561369. The reversal of 2225561366 is 6631655222.

2225561366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225561369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1087805 + ... + 1089848.

It is an arithmetic number, because the mean of its divisors is an integer number (241719594).

Almost surely, 2^2225561366 is an apocalyptic number.

2225561366 is a deficient number, since it is larger than the sum of its proper divisors (1641952138).

2225561366 is a wasteful number, since it uses less digits than its factorization.

2225561366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177735.

The product of its digits is 129600, while the sum is 38.

The square root of 2225561366 is about 47175.8557527047. The cubic root of 2225561366 is about 1305.6091685816.

The spelling of 2225561366 in words is "two billion, two hundred twenty-five million, five hundred sixty-one thousand, three hundred sixty-six".