445222963 has 4 divisors (see below), whose sum is σ = 454695840. Its totient is φ = 435750088.

The previous prime is 445222951. The next prime is 445223017. The reversal of 445222963 is 369222544.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445222963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445222913) 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, 4736368 + ... + 4736461.

It is an arithmetic number, because the mean of its divisors is an integer number (113673960).

Almost surely, 2^445222963 is an apocalyptic number.

445222963 is a deficient number, since it is larger than the sum of its proper divisors (9472877).

445222963 is an equidigital number, since it uses as much as digits as its factorization.

445222963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9472876.

The product of its digits is 103680, while the sum is 37.

The square root of 445222963 is about 21100.3071778588. The cubic root of 445222963 is about 763.5881590857.

The spelling of 445222963 in words is "four hundred forty-five million, two hundred twenty-two thousand, nine hundred sixty-three".