2221767151 has 2 divisors, whose sum is σ = 2221767152. Its totient is φ = 2221767150.

The previous prime is 2221767137. The next prime is 2221767167. The reversal of 2221767151 is 1517671222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221767151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221707151) 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, 1110883575 + 1110883576.

It is an arithmetic number, because the mean of its divisors is an integer number (1110883576).

Almost surely, 2^2221767151 is an apocalyptic number.

2221767151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221767151 is an equidigital number, since it uses as much as digits as its factorization.

2221767151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11760, while the sum is 34.

The square root of 2221767151 is about 47135.6250727621. The cubic root of 2221767151 is about 1304.8667971283.

The spelling of 2221767151 in words is "two billion, two hundred twenty-one million, seven hundred sixty-seven thousand, one hundred fifty-one".