44220522 has 8 divisors (see below), whose sum is σ = 88441056. Its totient is φ = 14740172.

The previous prime is 44220521. The next prime is 44220523. The reversal of 44220522 is 22502244.

It is an interprime number because it is at equal distance from previous prime (44220521) and next prime (44220523).

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

44220522 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (44220521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3685038 + ... + 3685049.

It is an arithmetic number, because the mean of its divisors is an integer number (11055132).

Almost surely, 2^44220522 is an apocalyptic number.

44220522 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.

44220522 is a wasteful number, since it uses less digits than its factorization.

44220522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7370092.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 44220522 is about 6649.8512765324. The cubic root of 44220522 is about 353.6236384370.

Adding to 44220522 its reverse (22502244), we get a palindrome (66722766).

The spelling of 44220522 in words is "forty-four million, two hundred twenty thousand, five hundred twenty-two".