44212211 has 6 divisors (see below), whose sum is σ = 45790212. Its totient is φ = 42686840.

The previous prime is 44212199. The next prime is 44212237. The reversal of 44212211 is 11221244.

It is a de Polignac number, because none of the positive numbers 2^k-44212211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44212211.

It is not an unprimeable number, because it can be changed into a prime (44212261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25445 + ... + 27126.

It is an arithmetic number, because the mean of its divisors is an integer number (7631702).

Almost surely, 2^44212211 is an apocalyptic number.

44212211 is a deficient number, since it is larger than the sum of its proper divisors (1578001).

44212211 is an equidigital number, since it uses as much as digits as its factorization.

44212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52629 (or 52600 counting only the distinct ones).

The product of its digits is 128, while the sum is 17.

The square root of 44212211 is about 6649.2263459744. The cubic root of 44212211 is about 353.6014831867.

Adding to 44212211 its reverse (11221244), we get a palindrome (55433455).

It can be divided in two parts, 4421 and 2211, that multiplied together give a triangular number (9774831 = T₄₄₂₁).

The spelling of 44212211 in words is "forty-four million, two hundred twelve thousand, two hundred eleven".