22343047 has 2 divisors, whose sum is σ = 22343048. Its totient is φ = 22343046.

The previous prime is 22343029. The next prime is 22343053. The reversal of 22343047 is 74034322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22343047 - 2¹⁵ = 22310279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22346047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11171523 + 11171524.

It is an arithmetic number, because the mean of its divisors is an integer number (11171524).

Almost surely, 2^22343047 is an apocalyptic number.

22343047 is a deficient number, since it is larger than the sum of its proper divisors (1).

22343047 is an equidigital number, since it uses as much as digits as its factorization.

22343047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 22343047 is about 4726.8432383569. The cubic root of 22343047 is about 281.6528388965.

Adding to 22343047 its reverse (74034322), we get a palindrome (96377369).

The spelling of 22343047 in words is "twenty-two million, three hundred forty-three thousand, forty-seven".