232220077 has 2 divisors, whose sum is σ = 232220078. Its totient is φ = 232220076.

The previous prime is 232220041. The next prime is 232220089. The reversal of 232220077 is 770022232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125014761 + 107205316 = 11181^2 + 10354^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232220077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (232220477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116110038 + 116110039.

It is an arithmetic number, because the mean of its divisors is an integer number (116110039).

Almost surely, 2^232220077 is an apocalyptic number.

It is an amenable number.

232220077 is a deficient number, since it is larger than the sum of its proper divisors (1).

232220077 is an equidigital number, since it uses as much as digits as its factorization.

232220077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 232220077 is about 15238.7688807200. The cubic root of 232220077 is about 614.6575986382.

It can be divided in two parts, 23 and 2220077, that added together give a square (2220100 = 1490²).

The spelling of 232220077 in words is "two hundred thirty-two million, two hundred twenty thousand, seventy-seven".