2235322381 has 2 divisors, whose sum is σ = 2235322382. Its totient is φ = 2235322380.

The previous prime is 2235322379. The next prime is 2235322387. The reversal of 2235322381 is 1832235322.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1508157225 + 727165156 = 38835^2 + 26966^2 .

It is a cyclic number.

It is not a de Polignac number, because 2235322381 - 2¹ = 2235322379 is a prime.

It is a super-2 number, since 2×2235322381² = 9993332293999018322, which contains 22 as substring.

Together with 2235322379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2235322387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1117661190 + 1117661191.

It is an arithmetic number, because the mean of its divisors is an integer number (1117661191).

Almost surely, 2^2235322381 is an apocalyptic number.

It is an amenable number.

2235322381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2235322381 is an equidigital number, since it uses as much as digits as its factorization.

2235322381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 31.

The square root of 2235322381 is about 47279.1960697303. The cubic root of 2235322381 is about 1307.5151273617.

The spelling of 2235322381 in words is "two billion, two hundred thirty-five million, three hundred twenty-two thousand, three hundred eighty-one".