1401225222949 has 2 divisors, whose sum is σ = 1401225222950. Its totient is φ = 1401225222948.

The previous prime is 1401225222941. The next prime is 1401225222961. The reversal of 1401225222949 is 9492225221041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1386859522500 + 14365700449 = 1177650^2 + 119857^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401225222949 - 2³ = 1401225222941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1401225222941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700612611474 + 700612611475.

It is an arithmetic number, because the mean of its divisors is an integer number (700612611475).

Almost surely, 2^{1401225222949} is an apocalyptic number.

It is an amenable number.

1401225222949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401225222949 is an equidigital number, since it uses as much as digits as its factorization.

1401225222949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 1401225222949 in words is "one trillion, four hundred one billion, two hundred twenty-five million, two hundred twenty-two thousand, nine hundred forty-nine".