22223429 has 2 divisors, whose sum is σ = 22223430. Its totient is φ = 22223428.

The previous prime is 22223419. The next prime is 22223473. The reversal of 22223429 is 92432222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17056900 + 5166529 = 4130^2 + 2273^2 .

It is a cyclic number.

It is not a de Polignac number, because 22223429 - 2⁴ = 22223413 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22223398 and 22223407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22223419) 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, 11111714 + 11111715.

It is an arithmetic number, because the mean of its divisors is an integer number (11111715).

Almost surely, 2^22223429 is an apocalyptic number.

It is an amenable number.

22223429 is a deficient number, since it is larger than the sum of its proper divisors (1).

22223429 is an equidigital number, since it uses as much as digits as its factorization.

22223429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 26.

The square root of 22223429 is about 4714.1732042851. The cubic root of 22223429 is about 281.1493108541.

The spelling of 22223429 in words is "twenty-two million, two hundred twenty-three thousand, four hundred twenty-nine".