44745222 has 32 divisors (see below), whose sum is σ = 92358144. Its totient is φ = 14444000.

The previous prime is 44745199. The next prime is 44745251. The reversal of 44745222 is 22254744.

It is a self number, because there is not a number n which added to its sum of digits gives 44745222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27697 + ... + 29267.

It is an arithmetic number, because the mean of its divisors is an integer number (2886192).

Almost surely, 2^44745222 is an apocalyptic number.

44745222 is an abundant number, since it is smaller than the sum of its proper divisors (47612922).

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

44745222 is a wasteful number, since it uses less digits than its factorization.

44745222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724.

The product of its digits is 17920, while the sum is 30.

The square root of 44745222 is about 6689.1869461094. The cubic root of 44745222 is about 355.0167868806.

Adding to 44745222 its reverse (22254744), we get a palindrome (66999966).

The spelling of 44745222 in words is "forty-four million, seven hundred forty-five thousand, two hundred twenty-two".