2290255481 has 4 divisors (see below), whose sum is σ = 2290545552. Its totient is φ = 2289965412.

The previous prime is 2290255477. The next prime is 2290255547. The reversal of 2290255481 is 1845520922.

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 a cyclic number.

It is not a de Polignac number, because 2290255481 - 2² = 2290255477 is a prime.

It is a super-2 number, since 2×2290255481² = 10490540336501082722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2290257481) 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, 132851 + ... + 149096.

It is an arithmetic number, because the mean of its divisors is an integer number (572636388).

Almost surely, 2^2290255481 is an apocalyptic number.

It is an amenable number.

2290255481 is a deficient number, since it is larger than the sum of its proper divisors (290071).

2290255481 is an equidigital number, since it uses as much as digits as its factorization.

2290255481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290070.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 2290255481 is about 47856.6137644527. The cubic root of 2290255481 is about 1318.1393054010.

The spelling of 2290255481 in words is "two billion, two hundred ninety million, two hundred fifty-five thousand, four hundred eighty-one".