22073480381 has 2 divisors, whose sum is σ = 22073480382. Its totient is φ = 22073480380.

The previous prime is 22073480371. The next prime is 22073480383. The reversal of 22073480381 is 18308437022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21923540356 + 149940025 = 148066^2 + 12245^2 .

It is a cyclic number.

It is not a de Polignac number, because 22073480381 - 2²² = 22069286077 is a prime.

It is a super-2 number, since 2×22073480381² (a number of 21 digits) contains 22 as substring.

Together with 22073480383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22073480383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11036740190 + 11036740191.

It is an arithmetic number, because the mean of its divisors is an integer number (11036740191).

Almost surely, 2^22073480381 is an apocalyptic number.

It is an amenable number.

22073480381 is a deficient number, since it is larger than the sum of its proper divisors (1).

22073480381 is an equidigital number, since it uses as much as digits as its factorization.

22073480381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 22073480381 in words is "twenty-two billion, seventy-three million, four hundred eighty thousand, three hundred eighty-one".