1397527911222 has 8 divisors (see below), whose sum is σ = 2795055822456. Its totient is φ = 465842637072.

The previous prime is 1397527911217. The next prime is 1397527911239. The reversal of 1397527911222 is 2221197257931.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1397527911222 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116460659263 + ... + 116460659274.

It is an arithmetic number, because the mean of its divisors is an integer number (349381977807).

Almost surely, 2^{1397527911222} is an apocalyptic number.

1397527911222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1397527911222 is a wasteful number, since it uses less digits than its factorization.

1397527911222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232921318542.

The product of its digits is 952560, while the sum is 51.

The spelling of 1397527911222 in words is "one trillion, three hundred ninety-seven billion, five hundred twenty-seven million, nine hundred eleven thousand, two hundred twenty-two".