45222 has 8 divisors (see below), whose sum is σ = 90456. Its totient is φ = 15072.

The previous prime is 45197. The next prime is 45233. The reversal of 45222 is 22254.

It is a sphenic number, since it is the product of 3 distinct primes.

45222 is an admirable number.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3763 + ... + 3774.

It is an arithmetic number, because the mean of its divisors is an integer number (11307).

2⁴⁵²²² is an apocalyptic number.

45222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45228).

45222 is a wasteful number, since it uses less digits than its factorization.

45222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7542.

The product of its digits is 160, while the sum is 15.

The square root of 45222 is about 212.6546496082. The cubic root of 45222 is about 35.6273282566.

Adding to 45222 its reverse (22254), we get a palindrome (67476).

It can be divided in two parts, 452 and 22, that added together give a palindrome (474).

The spelling of 45222 in words is "forty-five thousand, two hundred twenty-two".