2290620481 has 2 divisors, whose sum is σ = 2290620482. Its totient is φ = 2290620480.

The previous prime is 2290620463. The next prime is 2290620491. The reversal of 2290620481 is 1840260922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1589218225 + 701402256 = 39865^2 + 26484^2 .

It is a cyclic number.

It is not a de Polignac number, because 2290620481 - 2²⁷ = 2156402753 is a prime.

It is a super-2 number, since 2×2290620481² = 10493884375953342722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2290620491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1145310240 + 1145310241.

It is an arithmetic number, because the mean of its divisors is an integer number (1145310241).

Almost surely, 2^2290620481 is an apocalyptic number.

It is an amenable number.

2290620481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2290620481 is an equidigital number, since it uses as much as digits as its factorization.

2290620481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 2290620481 is about 47860.4270875219. The cubic root of 2290620481 is about 1318.2093260157.

The spelling of 2290620481 in words is "two billion, two hundred ninety million, six hundred twenty thousand, four hundred eighty-one".