22021047379297 has 2 divisors, whose sum is σ = 22021047379298. Its totient is φ = 22021047379296.

The previous prime is 22021047379267. The next prime is 22021047379307. The reversal of 22021047379297 is 79297374012022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21264189138721 + 756858240576 = 4611311^2 + 869976^2 .

It is a cyclic number.

It is not a de Polignac number, because 22021047379297 - 2²³ = 22021038990689 is a prime.

It is not a weakly prime, because it can be changed into another prime (22021047379267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010523689648 + 11010523689649.

It is an arithmetic number, because the mean of its divisors is an integer number (11010523689649).

Almost surely, 2^{22021047379297} is an apocalyptic number.

It is an amenable number.

22021047379297 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021047379297 is an equidigital number, since it uses as much as digits as its factorization.

22021047379297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5334336, while the sum is 55.

The spelling of 22021047379297 in words is "twenty-two trillion, twenty-one billion, forty-seven million, three hundred seventy-nine thousand, two hundred ninety-seven".