445312022 has 8 divisors (see below), whose sum is σ = 668728872. Its totient is φ = 222402400.

The previous prime is 445312009. The next prime is 445312033. The reversal of 445312022 is 220213544.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124604 + ... + 128127.

It is an arithmetic number, because the mean of its divisors is an integer number (83591109).

Almost surely, 2^445312022 is an apocalyptic number.

445312022 is a deficient number, since it is larger than the sum of its proper divisors (223416850).

445312022 is a wasteful number, since it uses less digits than its factorization.

445312022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253614.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 445312022 is about 21102.4174444541. The cubic root of 445312022 is about 763.6390698051.

Adding to 445312022 its reverse (220213544), we get a palindrome (665525566).

The spelling of 445312022 in words is "four hundred forty-five million, three hundred twelve thousand, twenty-two".