45443222 has 16 divisors (see below), whose sum is σ = 75200400. Its totient is φ = 20423040.

The previous prime is 45443197. The next prime is 45443243. The reversal of 45443222 is 22234454.

It is a happy number.

45443222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 45443191 and 45443200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9647 + ... + 13562.

It is an arithmetic number, because the mean of its divisors is an integer number (4700025).

Almost surely, 2^45443222 is an apocalyptic number.

45443222 is a deficient number, since it is larger than the sum of its proper divisors (29757178).

45443222 is a wasteful number, since it uses less digits than its factorization.

45443222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23311.

The product of its digits is 7680, while the sum is 26.

The square root of 45443222 is about 6741.1588024612. The cubic root of 45443222 is about 356.8532902081.

Adding to 45443222 its reverse (22234454), we get a palindrome (67677676).

It can be divided in two parts, 454432 and 22, that added together give a palindrome (454454).

The spelling of 45443222 in words is "forty-five million, four hundred forty-three thousand, two hundred twenty-two".