2322640381 has 2 divisors, whose sum is σ = 2322640382. Its totient is φ = 2322640380.

The previous prime is 2322640319. The next prime is 2322640457. The reversal of 2322640381 is 1830462232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1377077881 + 945562500 = 37109^2 + 30750^2 .

It is a cyclic number.

It is not a de Polignac number, because 2322640381 - 2¹⁵ = 2322607613 is a prime.

It is a super-2 number, since 2×2322640381² = 10789316678903650322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2322620381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1161320190 + 1161320191.

It is an arithmetic number, because the mean of its divisors is an integer number (1161320191).

Almost surely, 2^2322640381 is an apocalyptic number.

It is an amenable number.

2322640381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2322640381 is an equidigital number, since it uses as much as digits as its factorization.

2322640381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 2322640381 is about 48193.7794844936. The cubic root of 2322640381 is about 1324.3232107438.

The spelling of 2322640381 in words is "two billion, three hundred twenty-two million, six hundred forty thousand, three hundred eighty-one".