22302047 has 2 divisors, whose sum is σ = 22302048. Its totient is φ = 22302046.

The previous prime is 22302041. The next prime is 22302107. The reversal of 22302047 is 74020322.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22302047 - 2⁴ = 22302031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22302041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11151023 + 11151024.

It is an arithmetic number, because the mean of its divisors is an integer number (11151024).

Almost surely, 2^22302047 is an apocalyptic number.

22302047 is a deficient number, since it is larger than the sum of its proper divisors (1).

22302047 is an equidigital number, since it uses as much as digits as its factorization.

22302047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 22302047 is about 4722.5043144501. The cubic root of 22302047 is about 281.4804536189.

Adding to 22302047 its reverse (74020322), we get a palindrome (96322369).

The spelling of 22302047 in words is "twenty-two million, three hundred two thousand, forty-seven".