2287290533 has 4 divisors (see below), whose sum is σ = 2495226048. Its totient is φ = 2079355020.

The previous prime is 2287290503. The next prime is 2287290557. The reversal of 2287290533 is 3350927822.

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 2287290533 - 2⁸ = 2287290277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2287290503) 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, 103967741 + ... + 103967762.

It is an arithmetic number, because the mean of its divisors is an integer number (623806512).

Almost surely, 2^2287290533 is an apocalyptic number.

It is an amenable number.

2287290533 is a deficient number, since it is larger than the sum of its proper divisors (207935515).

2287290533 is a wasteful number, since it uses less digits than its factorization.

2287290533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207935514.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 2287290533 is about 47825.6263210426. The cubic root of 2287290533 is about 1317.5702419262.

The spelling of 2287290533 in words is "two billion, two hundred eighty-seven million, two hundred ninety thousand, five hundred thirty-three".