45221622 has 32 divisors (see below), whose sum is σ = 95898624. Its totient is φ = 14191200.

The previous prime is 45221621. The next prime is 45221629. The reversal of 45221622 is 22612254.

It is a happy number.

45221622 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 = 45221592 and 45221601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45221621) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3597 + ... + 10167.

It is an arithmetic number, because the mean of its divisors is an integer number (2996832).

Almost surely, 2^45221622 is an apocalyptic number.

45221622 is an abundant number, since it is smaller than the sum of its proper divisors (50677002).

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

45221622 is a wasteful number, since it uses less digits than its factorization.

45221622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6644.

The product of its digits is 1920, while the sum is 24.

The square root of 45221622 is about 6724.7023725961. The cubic root of 45221622 is about 356.2722898950.

Adding to 45221622 its reverse (22612254), we get a palindrome (67833876).

The spelling of 45221622 in words is "forty-five million, two hundred twenty-one thousand, six hundred twenty-two".