2220222971 has 2 divisors, whose sum is σ = 2220222972. Its totient is φ = 2220222970.

The previous prime is 2220222937. The next prime is 2220223003. The reversal of 2220222971 is 1792220222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2220222971 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2220222271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110111485 + 1110111486.

It is an arithmetic number, because the mean of its divisors is an integer number (1110111486).

Almost surely, 2^2220222971 is an apocalyptic number.

2220222971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220222971 is an equidigital number, since it uses as much as digits as its factorization.

2220222971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 2220222971 is about 47119.2420461111. The cubic root of 2220222971 is about 1304.5644227770.

The spelling of 2220222971 in words is "two billion, two hundred twenty million, two hundred twenty-two thousand, nine hundred seventy-one".