632940226 has 8 divisors (see below), whose sum is σ = 1005258060. Its totient is φ = 297854208.

The previous prime is 632940181. The next prime is 632940227. The reversal of 632940226 is 622049236.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 615089601 + 17850625 = 24801^2 + 4225^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×632940226² = 801226659377862152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 18615889 = 632940226 / (6 + 3 + 2 + 9 + 4 + 0 + 2 + 2 + 6).

It is a junction number, because it is equal to n+sod(n) for n = 632940191 and 632940200.

It is not an unprimeable number, because it can be changed into a prime (632940227) 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, 9307911 + ... + 9307978.

Almost surely, 2^632940226 is an apocalyptic number.

632940226 is a deficient number, since it is larger than the sum of its proper divisors (372317834).

632940226 is a wasteful number, since it uses less digits than its factorization.

632940226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18615908.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 632940226 is about 25158.3033211701. The cubic root of 632940226 is about 858.5934399142.

The spelling of 632940226 in words is "six hundred thirty-two million, nine hundred forty thousand, two hundred twenty-six".