2255564361 has 4 divisors (see below), whose sum is σ = 3007419152. Its totient is φ = 1503709572.

The previous prime is 2255564317. The next prime is 2255564393. The reversal of 2255564361 is 1634655522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2255564361 - 2¹³ = 2255556169 is a prime.

It is a super-2 number, since 2×2255564361² = 10175141173226676642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2255564561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375927391 + ... + 375927396.

It is an arithmetic number, because the mean of its divisors is an integer number (751854788).

Almost surely, 2^2255564361 is an apocalyptic number.

It is an amenable number.

2255564361 is a deficient number, since it is larger than the sum of its proper divisors (751854791).

2255564361 is an equidigital number, since it uses as much as digits as its factorization.

2255564361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751854790.

The product of its digits is 216000, while the sum is 39.

The square root of 2255564361 is about 47492.7821989826. The cubic root of 2255564361 is about 1311.4500116531.

The spelling of 2255564361 in words is "two billion, two hundred fifty-five million, five hundred sixty-four thousand, three hundred sixty-one".