290226452285 has 32 divisors (see below), whose sum is σ = 435039455232. Its totient is φ = 180574332480.

The previous prime is 290226452239. The next prime is 290226452287. The reversal of 290226452285 is 582254622092.

It is not a de Polignac number, because 290226452285 - 2³⁰ = 289152710461 is a prime.

It is a super-3 number, since 3×290226452285³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (290226452287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 519329 + ... + 922038.

It is an arithmetic number, because the mean of its divisors is an integer number (13594982976).

Almost surely, 2^290226452285 is an apocalyptic number.

It is an amenable number.

290226452285 is a deficient number, since it is larger than the sum of its proper divisors (144813002947).

290226452285 is a wasteful number, since it uses less digits than its factorization.

290226452285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441913.

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 290226452285 in words is "two hundred ninety billion, two hundred twenty-six million, four hundred fifty-two thousand, two hundred eighty-five".