22742319373 has 2 divisors, whose sum is σ = 22742319374. Its totient is φ = 22742319372.

The previous prime is 22742319371. The next prime is 22742319389. The reversal of 22742319373 is 37391324722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22189975369 + 552344004 = 148963^2 + 23502^2 .

It is a cyclic number.

It is not a de Polignac number, because 22742319373 - 2¹ = 22742319371 is a prime.

It is a super-2 number, since 2×22742319373² (a number of 22 digits) contains 22 as substring.

Together with 22742319371, 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 (22742319371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11371159686 + 11371159687.

It is an arithmetic number, because the mean of its divisors is an integer number (11371159687).

Almost surely, 2^22742319373 is an apocalyptic number.

It is an amenable number.

22742319373 is a deficient number, since it is larger than the sum of its proper divisors (1).

22742319373 is an equidigital number, since it uses as much as digits as its factorization.

22742319373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 381024, while the sum is 43.

The spelling of 22742319373 in words is "twenty-two billion, seven hundred forty-two million, three hundred nineteen thousand, three hundred seventy-three".