882761221 has 2 divisors, whose sum is σ = 882761222. Its totient is φ = 882761220.

The previous prime is 882761153. The next prime is 882761237. The reversal of 882761221 is 122167288.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 708890625 + 173870596 = 26625^2 + 13186^2 .

It is a cyclic number.

It is not a de Polignac number, because 882761221 - 2⁷ = 882761093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (882764221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 441380610 + 441380611.

It is an arithmetic number, because the mean of its divisors is an integer number (441380611).

Almost surely, 2^882761221 is an apocalyptic number.

It is an amenable number.

882761221 is a deficient number, since it is larger than the sum of its proper divisors (1).

882761221 is an equidigital number, since it uses as much as digits as its factorization.

882761221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 37.

The square root of 882761221 is about 29711.2978679828. The cubic root of 882761221 is about 959.2852104687.

The spelling of 882761221 in words is "eight hundred eighty-two million, seven hundred sixty-one thousand, two hundred twenty-one".