22630429 has 2 divisors, whose sum is σ = 22630430. Its totient is φ = 22630428.

The previous prime is 22630409. The next prime is 22630457. The reversal of 22630429 is 92403622.

It is an a-pointer prime, because the next prime (22630457) can be obtained adding 22630429 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21178404 + 1452025 = 4602^2 + 1205^2 .

It is a cyclic number.

It is not a de Polignac number, because 22630429 - 2⁷ = 22630301 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22630397 and 22630406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22630409) 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, 11315214 + 11315215.

It is an arithmetic number, because the mean of its divisors is an integer number (11315215).

Almost surely, 2^22630429 is an apocalyptic number.

It is an amenable number.

22630429 is a deficient number, since it is larger than the sum of its proper divisors (1).

22630429 is an equidigital number, since it uses as much as digits as its factorization.

22630429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 22630429 is about 4757.1450471895. The cubic root of 22630429 is about 282.8552619263.

The spelling of 22630429 in words is "twenty-two million, six hundred thirty thousand, four hundred twenty-nine".