70222122131881 has 2 divisors, whose sum is σ = 70222122131882. Its totient is φ = 70222122131880.

The previous prime is 70222122131873. The next prime is 70222122132011. The reversal of 70222122131881 is 18813122122207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40133606041881 + 30088516090000 = 6335109^2 + 5485300^2 .

It is a cyclic number.

It is not a de Polignac number, because 70222122131881 - 2³ = 70222122131873 is a prime.

It is a super-2 number, since 2×70222122131881² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (70222122131801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35111061065940 + 35111061065941.

It is an arithmetic number, because the mean of its divisors is an integer number (35111061065941).

Almost surely, 2^{70222122131881} is an apocalyptic number.

It is an amenable number.

70222122131881 is a deficient number, since it is larger than the sum of its proper divisors (1).

70222122131881 is an equidigital number, since it uses as much as digits as its factorization.

70222122131881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 40.

The spelling of 70222122131881 in words is "seventy trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred thirty-one thousand, eight hundred eighty-one".