445531022 has 16 divisors (see below), whose sum is σ = 697848480. Its totient is φ = 212928672.

The previous prime is 445530971. The next prime is 445531049. The reversal of 445531022 is 220135544.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 445530982 and 445531000.

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, 88304 + ... + 93212.

It is an arithmetic number, because the mean of its divisors is an integer number (43615530).

Almost surely, 2^445531022 is an apocalyptic number.

445531022 is a deficient number, since it is larger than the sum of its proper divisors (252317458).

445531022 is a wasteful number, since it uses less digits than its factorization.

445531022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6907.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 445531022 is about 21107.6057855930. The cubic root of 445531022 is about 763.7642326425.

Adding to 445531022 its reverse (220135544), we get a palindrome (665666566).

The spelling of 445531022 in words is "four hundred forty-five million, five hundred thirty-one thousand, twenty-two".