445097227 has 2 divisors, whose sum is σ = 445097228. Its totient is φ = 445097226.

The previous prime is 445097201. The next prime is 445097243. The reversal of 445097227 is 722790544.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445097227 is a prime.

It is a super-2 number, since 2×445097227² = 396223082966179058, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 445097227.

It is not a weakly prime, because it can be changed into another prime (445097267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222548613 + 222548614.

It is an arithmetic number, because the mean of its divisors is an integer number (222548614).

Almost surely, 2^445097227 is an apocalyptic number.

445097227 is a deficient number, since it is larger than the sum of its proper divisors (1).

445097227 is an equidigital number, since it uses as much as digits as its factorization.

445097227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 445097227 is about 21097.3274847787. The cubic root of 445097227 is about 763.5162703405.

The spelling of 445097227 in words is "four hundred forty-five million, ninety-seven thousand, two hundred twenty-seven".