445874022 has 48 divisors (see below), whose sum is σ = 1064164608. Its totient is φ = 133795440.

The previous prime is 445873991. The next prime is 445874041. The reversal of 445874022 is 220478544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9463 + ... + 31325.

It is an arithmetic number, because the mean of its divisors is an integer number (22170096).

Almost surely, 2^445874022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445874022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532082304).

445874022 is an abundant number, since it is smaller than the sum of its proper divisors (618290586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445874022 is a wasteful number, since it uses less digits than its factorization.

445874022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21985 (or 21982 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 445874022 is about 21115.7292556994. The cubic root of 445874022 is about 763.9601815363.

The spelling of 445874022 in words is "four hundred forty-five million, eight hundred seventy-four thousand, twenty-two".