21822200371 has 2 divisors, whose sum is σ = 21822200372. Its totient is φ = 21822200370.

The previous prime is 21822200339. The next prime is 21822200447. The reversal of 21822200371 is 17300222812.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21822200371 - 2⁵ = 21822200339 is a prime.

It is not a weakly prime, because it can be changed into another prime (21822200471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10911100185 + 10911100186.

It is an arithmetic number, because the mean of its divisors is an integer number (10911100186).

Almost surely, 2^21822200371 is an apocalyptic number.

21822200371 is a deficient number, since it is larger than the sum of its proper divisors (1).

21822200371 is an equidigital number, since it uses as much as digits as its factorization.

21822200371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 28.

The spelling of 21822200371 in words is "twenty-one billion, eight hundred twenty-two million, two hundred thousand, three hundred seventy-one".