440133229 has 2 divisors, whose sum is σ = 440133230. Its totient is φ = 440133228.

The previous prime is 440133217. The next prime is 440133299. The reversal of 440133229 is 922331044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 427869225 + 12264004 = 20685^2 + 3502^2 .

It is a cyclic number.

It is not a de Polignac number, because 440133229 - 2⁹ = 440132717 is a prime.

It is equal to p_23357242 and since 440133229 and 23357242 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 440133197 and 440133206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440133209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220066614 + 220066615.

It is an arithmetic number, because the mean of its divisors is an integer number (220066615).

Almost surely, 2^440133229 is an apocalyptic number.

It is an amenable number.

440133229 is a deficient number, since it is larger than the sum of its proper divisors (1).

440133229 is an equidigital number, since it uses as much as digits as its factorization.

440133229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 440133229 is about 20979.3524447253. The cubic root of 440133229 is about 760.6672516104.

The spelling of 440133229 in words is "four hundred forty million, one hundred thirty-three thousand, two hundred twenty-nine".