22392493 has 2 divisors, whose sum is σ = 22392494. Its totient is φ = 22392492.

The previous prime is 22392479. The next prime is 22392527. The reversal of 22392493 is 39429322.

It is a happy number.

It is an a-pointer prime, because the next prime (22392527) can be obtained adding 22392493 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18774889 + 3617604 = 4333^2 + 1902^2 .

It is a cyclic number.

It is not a de Polignac number, because 22392493 - 2⁹ = 22391981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22392443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11196246 + 11196247.

It is an arithmetic number, because the mean of its divisors is an integer number (11196247).

Almost surely, 2^22392493 is an apocalyptic number.

It is an amenable number.

22392493 is a deficient number, since it is larger than the sum of its proper divisors (1).

22392493 is an equidigital number, since it uses as much as digits as its factorization.

22392493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 34.

The square root of 22392493 is about 4732.0706883985. The cubic root of 22392493 is about 281.8604552453.

The spelling of 22392493 in words is "twenty-two million, three hundred ninety-two thousand, four hundred ninety-three".