632228566 has 4 divisors (see below), whose sum is σ = 948342852. Its totient is φ = 316114282.

The previous prime is 632228563. The next prime is 632228567. The reversal of 632228566 is 665822236.

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

It is a super-3 number, since 3×632228566³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632228563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158057140 + ... + 158057143.

It is an arithmetic number, because the mean of its divisors is an integer number (237085713).

Almost surely, 2^632228566 is an apocalyptic number.

632228566 is a deficient number, since it is larger than the sum of its proper divisors (316114286).

632228566 is a wasteful number, since it uses less digits than its factorization.

632228566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316114285.

The product of its digits is 207360, while the sum is 40.

The square root of 632228566 is about 25144.1557026678. The cubic root of 632228566 is about 858.2715265473.

The spelling of 632228566 in words is "six hundred thirty-two million, two hundred twenty-eight thousand, five hundred sixty-six".