445602229 has 2 divisors, whose sum is σ = 445602230. Its totient is φ = 445602228.

The previous prime is 445602221. The next prime is 445602239. The reversal of 445602229 is 922206544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 295049329 + 150552900 = 17177^2 + 12270^2 .

It is a cyclic number.

It is not a de Polignac number, because 445602229 - 2³ = 445602221 is a prime.

It is a super-2 number, since 2×445602229² = 397122692979536882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 445602194 and 445602203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445602221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222801114 + 222801115.

It is an arithmetic number, because the mean of its divisors is an integer number (222801115).

Almost surely, 2^445602229 is an apocalyptic number.

It is an amenable number.

445602229 is a deficient number, since it is larger than the sum of its proper divisors (1).

445602229 is an equidigital number, since it uses as much as digits as its factorization.

445602229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 445602229 is about 21109.2924798535. The cubic root of 445602229 is about 763.8049200169.

The spelling of 445602229 in words is "four hundred forty-five million, six hundred two thousand, two hundred twenty-nine".