44227135861 has 2 divisors, whose sum is σ = 44227135862. Its totient is φ = 44227135860.

The previous prime is 44227135837. The next prime is 44227135903. The reversal of 44227135861 is 16853172244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32001632100 + 12225503761 = 178890^2 + 110569^2 .

It is a cyclic number.

It is not a de Polignac number, because 44227135861 - 2¹³ = 44227127669 is a prime.

It is a super-2 number, since 2×44227135861² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44227135261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22113567930 + 22113567931.

It is an arithmetic number, because the mean of its divisors is an integer number (22113567931).

Almost surely, 2^44227135861 is an apocalyptic number.

It is an amenable number.

44227135861 is a deficient number, since it is larger than the sum of its proper divisors (1).

44227135861 is an equidigital number, since it uses as much as digits as its factorization.

44227135861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 43.

The spelling of 44227135861 in words is "forty-four billion, two hundred twenty-seven million, one hundred thirty-five thousand, eight hundred sixty-one".