244155223109 has 32 divisors (see below), whose sum is σ = 300836782080. Its totient is φ = 193540564800.

The previous prime is 244155223079. The next prime is 244155223141. The reversal of 244155223109 is 901322551442.

It is a cyclic number.

It is not a de Polignac number, because 244155223109 - 2¹⁶ = 244155157573 is a prime.

It is a super-2 number, since 2×244155223109² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244155223159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5512964 + ... + 5557074.

It is an arithmetic number, because the mean of its divisors is an integer number (9401149440).

Almost surely, 2^244155223109 is an apocalyptic number.

It is an amenable number.

244155223109 is a deficient number, since it is larger than the sum of its proper divisors (56681558971).

244155223109 is a wasteful number, since it uses less digits than its factorization.

244155223109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45281.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 244155223109 in words is "two hundred forty-four billion, one hundred fifty-five million, two hundred twenty-three thousand, one hundred nine".