445045022 has 4 divisors (see below), whose sum is σ = 667567536. Its totient is φ = 222522510.

The previous prime is 445045019. The next prime is 445045039. The reversal of 445045022 is 220540544.

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

It is a junction number, because it is equal to n+sod(n) for n = 445044982 and 445045000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111261254 + ... + 111261257.

It is an arithmetic number, because the mean of its divisors is an integer number (166891884).

Almost surely, 2^445045022 is an apocalyptic number.

445045022 is a deficient number, since it is larger than the sum of its proper divisors (222522514).

445045022 is a wasteful number, since it uses less digits than its factorization.

445045022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222522513.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 445045022 is about 21096.0902064814. The cubic root of 445045022 is about 763.4864184917.

Adding to 445045022 its reverse (220540544), we get a palindrome (665585566).

The spelling of 445045022 in words is "four hundred forty-five million, forty-five thousand, twenty-two".