44212261 has 2 divisors, whose sum is σ = 44212262. Its totient is φ = 44212260.

The previous prime is 44212243. The next prime is 44212313. The reversal of 44212261 is 16221244.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40564161 + 3648100 = 6369^2 + 1910^2 .

It is a cyclic number.

It is not a de Polignac number, because 44212261 - 2⁹ = 44211749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44212061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22106130 + 22106131.

It is an arithmetic number, because the mean of its divisors is an integer number (22106131).

Almost surely, 2^44212261 is an apocalyptic number.

It is an amenable number.

44212261 is a deficient number, since it is larger than the sum of its proper divisors (1).

44212261 is an equidigital number, since it uses as much as digits as its factorization.

44212261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 768, while the sum is 22.

The square root of 44212261 is about 6649.2301058092. The cubic root of 44212261 is about 353.6016164837.

The spelling of 44212261 in words is "forty-four million, two hundred twelve thousand, two hundred sixty-one".