44213522 has 4 divisors (see below), whose sum is σ = 66320286. Its totient is φ = 22106760.

The previous prime is 44213497. The next prime is 44213531. The reversal of 44213522 is 22531244.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36590401 + 7623121 = 6049^2 + 2761^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11053379 + ... + 11053382.

Almost surely, 2^44213522 is an apocalyptic number.

44213522 is a deficient number, since it is larger than the sum of its proper divisors (22106764).

44213522 is a wasteful number, since it uses less digits than its factorization.

44213522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22106763.

The product of its digits is 1920, while the sum is 23.

The square root of 44213522 is about 6649.3249281412. The cubic root of 44213522 is about 353.6049782012.

Adding to 44213522 its reverse (22531244), we get a palindrome (66744766).

The spelling of 44213522 in words is "forty-four million, two hundred thirteen thousand, five hundred twenty-two".