2722020971 has 2 divisors, whose sum is σ = 2722020972. Its totient is φ = 2722020970.

The previous prime is 2722020949. The next prime is 2722021063. The reversal of 2722020971 is 1790202272.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2722020971 - 2⁶ = 2722020907 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2722020901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1361010485 + 1361010486.

It is an arithmetic number, because the mean of its divisors is an integer number (1361010486).

Almost surely, 2^2722020971 is an apocalyptic number.

2722020971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2722020971 is an equidigital number, since it uses as much as digits as its factorization.

2722020971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 2722020971 is about 52172.9908190052. The cubic root of 2722020971 is about 1396.2520451621.

The spelling of 2722020971 in words is "two billion, seven hundred twenty-two million, twenty thousand, nine hundred seventy-one".