44216671 has 4 divisors (see below), whose sum is σ = 44461144. Its totient is φ = 43972200.

The previous prime is 44216659. The next prime is 44216687. The reversal of 44216671 is 17661244.

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

It is a cyclic number.

It is not a de Polignac number, because 44216671 - 2¹¹ = 44214623 is a prime.

It is a super-2 number, since 2×44216671² = 3910227988644482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44213671) 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, 121965 + ... + 122326.

It is an arithmetic number, because the mean of its divisors is an integer number (11115286).

Almost surely, 2^44216671 is an apocalyptic number.

44216671 is a deficient number, since it is larger than the sum of its proper divisors (244473).

44216671 is a wasteful number, since it uses less digits than its factorization.

44216671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244472.

The product of its digits is 8064, while the sum is 31.

The square root of 44216671 is about 6649.5617148802. The cubic root of 44216671 is about 353.6133728853.

The spelling of 44216671 in words is "forty-four million, two hundred sixteen thousand, six hundred seventy-one".