44222015 has 16 divisors (see below), whose sum is σ = 56464128. Its totient is φ = 33133056.

The previous prime is 44221997. The next prime is 44222029. The reversal of 44222015 is 51022244.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 44222015 - 2¹⁶ = 44156479 is a prime.

It is a super-2 number, since 2×44222015² = 3911173221320450, which contains 22 as substring.

It is a Duffinian number.

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, 17789 + ... + 20121.

It is an arithmetic number, because the mean of its divisors is an integer number (3529008).

Almost surely, 2^44222015 is an apocalyptic number.

44222015 is a deficient number, since it is larger than the sum of its proper divisors (12242113).

44222015 is a wasteful number, since it uses less digits than its factorization.

44222015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 44222015 is about 6649.9635337346. The cubic root of 44222015 is about 353.6276181439.

Adding to 44222015 its reverse (51022244), we get a palindrome (95244259).

The spelling of 44222015 in words is "forty-four million, two hundred twenty-two thousand, fifteen".