45003222 has 64 divisors (see below), whose sum is σ = 109900800. Its totient is φ = 13537440.

The previous prime is 45003221. The next prime is 45003239. The reversal of 45003222 is 22230054.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 45003195 and 45003204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45003221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141808 + ... + 142124.

It is an arithmetic number, because the mean of its divisors is an integer number (1717200).

Almost surely, 2^45003222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45003222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54950400).

45003222 is an abundant number, since it is smaller than the sum of its proper divisors (64897578).

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

45003222 is a wasteful number, since it uses less digits than its factorization.

45003222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 45003222 is about 6708.4440819016. Note that the first 3 decimals coincide. The cubic root of 45003222 is about 355.6978193651.

Adding to 45003222 its reverse (22230054), we get a palindrome (67233276).

It can be divided in two parts, 450032 and 22, that added together give a palindrome (450054).

The spelling of 45003222 in words is "forty-five million, three thousand, two hundred twenty-two".