2290620889 has 2 divisors, whose sum is σ = 2290620890. Its totient is φ = 2290620888.

The previous prime is 2290620881. The next prime is 2290620947. The reversal of 2290620889 is 9880260922.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2108370889 + 182250000 = 45917^2 + 13500^2 .

It is a cyclic number.

It is not a de Polignac number, because 2290620889 - 2³ = 2290620881 is a prime.

It is not a weakly prime, because it can be changed into another prime (2290620881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1145310444 + 1145310445.

It is an arithmetic number, because the mean of its divisors is an integer number (1145310445).

Almost surely, 2^2290620889 is an apocalyptic number.

It is an amenable number.

2290620889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2290620889 is an equidigital number, since it uses as much as digits as its factorization.

2290620889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 2290620889 is about 47860.4313499158. The cubic root of 2290620889 is about 1318.2094042811.

The spelling of 2290620889 in words is "two billion, two hundred ninety million, six hundred twenty thousand, eight hundred eighty-nine".