290226452287 has 2 divisors, whose sum is σ = 290226452288. Its totient is φ = 290226452286.

The previous prime is 290226452239. The next prime is 290226452291. The reversal of 290226452287 is 782254622092.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 290226452287 - 2²⁷ = 290092234559 is a prime.

It is a super-3 number, since 3×290226452287³ (a number of 35 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 290226452287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (290226452207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145113226143 + 145113226144.

It is an arithmetic number, because the mean of its divisors is an integer number (145113226144).

Almost surely, 2^290226452287 is an apocalyptic number.

290226452287 is a deficient number, since it is larger than the sum of its proper divisors (1).

290226452287 is an equidigital number, since it uses as much as digits as its factorization.

290226452287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 290226452287 in words is "two hundred ninety billion, two hundred twenty-six million, four hundred fifty-two thousand, two hundred eighty-seven".