445401022 has 16 divisors (see below), whose sum is σ = 732114432. Its totient is φ = 201544920.

The previous prime is 445401007. The next prime is 445401067. The reversal of 445401022 is 220104544.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 445400984 and 445401002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40488 + ... + 50299.

It is an arithmetic number, because the mean of its divisors is an integer number (45757152).

Almost surely, 2^445401022 is an apocalyptic number.

445401022 is a deficient number, since it is larger than the sum of its proper divisors (286713410).

445401022 is a wasteful number, since it uses less digits than its factorization.

445401022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91023.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 445401022 is about 21104.5261022369. The cubic root of 445401022 is about 763.6899400164.

Adding to 445401022 its reverse (220104544), we get a palindrome (665505566).

The spelling of 445401022 in words is "four hundred forty-five million, four hundred one thousand, twenty-two".