633226897 has 4 divisors (see below), whose sum is σ = 670475556. Its totient is φ = 595978240.

The previous prime is 633226879. The next prime is 633226903. The reversal of 633226897 is 798622336.

633226897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 25164²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 493017616 + 140209281 = 22204^2 + 11841^2 .

It is a cyclic number.

It is not a de Polignac number, because 633226897 - 2¹⁵ = 633194129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (633226877) 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, 18624304 + ... + 18624337.

It is an arithmetic number, because the mean of its divisors is an integer number (167618889).

Almost surely, 2^633226897 is an apocalyptic number.

It is an amenable number.

633226897 is a deficient number, since it is larger than the sum of its proper divisors (37248659).

633226897 is a wasteful number, since it uses less digits than its factorization.

633226897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37248658.

The product of its digits is 653184, while the sum is 46.

The square root of 633226897 is about 25164.0000198697. Note that the first 4 decimals coincide. The cubic root of 633226897 is about 858.7230449331.

The spelling of 633226897 in words is "six hundred thirty-three million, two hundred twenty-six thousand, eight hundred ninety-seven".