2665222151 has 2 divisors, whose sum is σ = 2665222152. Its totient is φ = 2665222150.

The previous prime is 2665222099. The next prime is 2665222171. The reversal of 2665222151 is 1512225662.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2665222151 - 2¹⁰ = 2665221127 is a prime.

It is a super-2 number, since 2×2665222151² = 14206818228362133602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2665222171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1332611075 + 1332611076.

It is an arithmetic number, because the mean of its divisors is an integer number (1332611076).

Almost surely, 2^2665222151 is an apocalyptic number.

2665222151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2665222151 is an equidigital number, since it uses as much as digits as its factorization.

2665222151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 32.

The square root of 2665222151 is about 51625.7895920246. The cubic root of 2665222151 is about 1386.4721106698.

The spelling of 2665222151 in words is "two billion, six hundred sixty-five million, two hundred twenty-two thousand, one hundred fifty-one".