44220502 has 16 divisors (see below), whose sum is σ = 70368480. Its totient is φ = 20769408.

The previous prime is 44220499. The next prime is 44220521. The reversal of 44220502 is 20502244.

It is a self number, because there is not a number n which added to its sum of digits gives 44220502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23824 + ... + 25612.

It is an arithmetic number, because the mean of its divisors is an integer number (4398030).

Almost surely, 2^44220502 is an apocalyptic number.

44220502 is a deficient number, since it is larger than the sum of its proper divisors (26147978).

44220502 is a wasteful number, since it uses less digits than its factorization.

44220502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 44220502 is about 6649.8497727392. The cubic root of 44220502 is about 353.6235851248.

Adding to 44220502 its reverse (20502244), we get a palindrome (64722746).

The spelling of 44220502 in words is "forty-four million, two hundred twenty thousand, five hundred two".