22401233357 has 2 divisors, whose sum is σ = 22401233358. Its totient is φ = 22401233356.

The previous prime is 22401233329. The next prime is 22401233383. The reversal of 22401233357 is 75333210422.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20384415076 + 2016818281 = 142774^2 + 44909^2 .

It is a cyclic number.

It is not a de Polignac number, because 22401233357 - 2⁶ = 22401233293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22401233957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11200616678 + 11200616679.

It is an arithmetic number, because the mean of its divisors is an integer number (11200616679).

Almost surely, 2^22401233357 is an apocalyptic number.

It is an amenable number.

22401233357 is a deficient number, since it is larger than the sum of its proper divisors (1).

22401233357 is an equidigital number, since it uses as much as digits as its factorization.

22401233357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 32.

Adding to 22401233357 its reverse (75333210422), we get a palindrome (97734443779).

The spelling of 22401233357 in words is "twenty-two billion, four hundred one million, two hundred thirty-three thousand, three hundred fifty-seven".