44022507149 has 2 divisors, whose sum is σ = 44022507150. Its totient is φ = 44022507148.

The previous prime is 44022507103. The next prime is 44022507259. The reversal of 44022507149 is 94170522044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44020236100 + 2271049 = 209810^2 + 1507^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44022507149 is a prime.

It is a super-2 number, since 2×44022507149² (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 (44022500149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22011253574 + 22011253575.

It is an arithmetic number, because the mean of its divisors is an integer number (22011253575).

Almost surely, 2^44022507149 is an apocalyptic number.

It is an amenable number.

44022507149 is a deficient number, since it is larger than the sum of its proper divisors (1).

44022507149 is an equidigital number, since it uses as much as digits as its factorization.

44022507149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 38.

The spelling of 44022507149 in words is "forty-four billion, twenty-two million, five hundred seven thousand, one hundred forty-nine".