1402221313397 has 2 divisors, whose sum is σ = 1402221313398. Its totient is φ = 1402221313396.

The previous prime is 1402221313387. The next prime is 1402221313463. The reversal of 1402221313397 is 7933131222041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1060500397636 + 341720915761 = 1029806^2 + 584569^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402221313397 - 2²⁰ = 1402220264821 is a prime.

It is a super-2 number, since 2×1402221313397² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1402221313397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1402221313327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701110656698 + 701110656699.

It is an arithmetic number, because the mean of its divisors is an integer number (701110656699).

Almost surely, 2^{1402221313397} is an apocalyptic number.

It is an amenable number.

1402221313397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402221313397 is an equidigital number, since it uses as much as digits as its factorization.

1402221313397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 1402221313397 in words is "one trillion, four hundred two billion, two hundred twenty-one million, three hundred thirteen thousand, three hundred ninety-seven".