2232325661 has 2 divisors, whose sum is σ = 2232325662. Its totient is φ = 2232325660.

The previous prime is 2232325657. The next prime is 2232325691. The reversal of 2232325661 is 1665232322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2080272100 + 152053561 = 45610^2 + 12331^2 .

It is a cyclic number.

It is not a de Polignac number, because 2232325661 - 2² = 2232325657 is a prime.

It is a super-3 number, since 3×2232325661³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2232325621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1116162830 + 1116162831.

It is an arithmetic number, because the mean of its divisors is an integer number (1116162831).

Almost surely, 2^2232325661 is an apocalyptic number.

It is an amenable number.

2232325661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2232325661 is an equidigital number, since it uses as much as digits as its factorization.

2232325661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 32.

The square root of 2232325661 is about 47247.4937007245. The cubic root of 2232325661 is about 1306.9305720068.

Adding to 2232325661 its reverse (1665232322), we get a palindrome (3897557983).

The spelling of 2232325661 in words is "two billion, two hundred thirty-two million, three hundred twenty-five thousand, six hundred sixty-one".