2211467261 has 2 divisors, whose sum is σ = 2211467262. Its totient is φ = 2211467260.

The previous prime is 2211467257. The next prime is 2211467309. The reversal of 2211467261 is 1627641122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2020502500 + 190964761 = 44950^2 + 13819^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211467261 - 2² = 2211467257 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211467161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105733630 + 1105733631.

It is an arithmetic number, because the mean of its divisors is an integer number (1105733631).

Almost surely, 2^2211467261 is an apocalyptic number.

It is an amenable number.

2211467261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211467261 is an equidigital number, since it uses as much as digits as its factorization.

2211467261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 32.

The square root of 2211467261 is about 47026.2401325047. The cubic root of 2211467261 is about 1302.8472625232.

The spelling of 2211467261 in words is "two billion, two hundred eleven million, four hundred sixty-seven thousand, two hundred sixty-one".