22220001209971 has 2 divisors, whose sum is σ = 22220001209972. Its totient is φ = 22220001209970.

The previous prime is 22220001209969. The next prime is 22220001210049. The reversal of 22220001209971 is 17990210002222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22220001209971 - 2¹ = 22220001209969 is a prime.

It is a super-2 number, since 2×22220001209971² (a number of 27 digits) contains 22 as substring.

Together with 22220001209969, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22220001209971.

It is not a weakly prime, because it can be changed into another prime (22220001269971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110000604985 + 11110000604986.

It is an arithmetic number, because the mean of its divisors is an integer number (11110000604986).

Almost surely, 2^{22220001209971} is an apocalyptic number.

22220001209971 is a deficient number, since it is larger than the sum of its proper divisors (1).

22220001209971 is an equidigital number, since it uses as much as digits as its factorization.

22220001209971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 22220001209971 in words is "twenty-two trillion, two hundred twenty billion, one million, two hundred nine thousand, nine hundred seventy-one".