2225245561 has 32 divisors (see below), whose sum is σ = 2900809728. Its totient is φ = 1655216640.

The previous prime is 2225245559. The next prime is 2225245567. The reversal of 2225245561 is 1655425222.

It is not a de Polignac number, because 2225245561 - 2¹ = 2225245559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2225245567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1190950 + ... + 1192816.

It is an arithmetic number, because the mean of its divisors is an integer number (90650304).

Almost surely, 2^2225245561 is an apocalyptic number.

It is an amenable number.

2225245561 is a deficient number, since it is larger than the sum of its proper divisors (675564167).

2225245561 is a wasteful number, since it uses less digits than its factorization.

2225245561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581.

The product of its digits is 48000, while the sum is 34.

The square root of 2225245561 is about 47172.5085298630. The cubic root of 2225245561 is about 1305.5474107686.

The spelling of 2225245561 in words is "two billion, two hundred twenty-five million, two hundred forty-five thousand, five hundred sixty-one".