2170226651 has 2 divisors, whose sum is σ = 2170226652. Its totient is φ = 2170226650.

The previous prime is 2170226621. The next prime is 2170226659. The reversal of 2170226651 is 1566220712.

2170226651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2170226651 - 2³⁰ = 1096484827 is a prime.

It is not a weakly prime, because it can be changed into another prime (2170226659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085113325 + 1085113326.

It is an arithmetic number, because the mean of its divisors is an integer number (1085113326).

Almost surely, 2^2170226651 is an apocalyptic number.

2170226651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2170226651 is an equidigital number, since it uses as much as digits as its factorization.

2170226651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 2170226651 is about 46585.6914835446. The cubic root of 2170226651 is about 1294.6976632051.

The spelling of 2170226651 in words is "two billion, one hundred seventy million, two hundred twenty-six thousand, six hundred fifty-one".