244553225401 has 2 divisors, whose sum is σ = 244553225402. Its totient is φ = 244553225400.

The previous prime is 244553225369. The next prime is 244553225431. The reversal of 244553225401 is 104522355442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 204991617600 + 39561607801 = 452760^2 + 198901^2 .

It is a cyclic number.

It is not a de Polignac number, because 244553225401 - 2⁵ = 244553225369 is a prime.

It is a super-2 number, since 2×244553225401² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (244553225431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122276612700 + 122276612701.

It is an arithmetic number, because the mean of its divisors is an integer number (122276612701).

Almost surely, 2^244553225401 is an apocalyptic number.

It is an amenable number.

244553225401 is a deficient number, since it is larger than the sum of its proper divisors (1).

244553225401 is an equidigital number, since it uses as much as digits as its factorization.

244553225401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 244553225401 in words is "two hundred forty-four billion, five hundred fifty-three million, two hundred twenty-five thousand, four hundred one".