22742341 has 2 divisors, whose sum is σ = 22742342. Its totient is φ = 22742340.

The previous prime is 22742339. The next prime is 22742371. The reversal of 22742341 is 14324722.

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., 20930625 + 1811716 = 4575^2 + 1346^2 .

It is a cyclic number.

It is not a de Polignac number, because 22742341 - 2¹ = 22742339 is a prime.

Together with 22742339, 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 (22742371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11371170 + 11371171.

It is an arithmetic number, because the mean of its divisors is an integer number (11371171).

Almost surely, 2^22742341 is an apocalyptic number.

It is an amenable number.

22742341 is a deficient number, since it is larger than the sum of its proper divisors (1).

22742341 is an equidigital number, since it uses as much as digits as its factorization.

22742341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 25.

The square root of 22742341 is about 4768.8930581425. The cubic root of 22742341 is about 283.3207540744.

The spelling of 22742341 in words is "twenty-two million, seven hundred forty-two thousand, three hundred forty-one".