22886429 has 2 divisors, whose sum is σ = 22886430. Its totient is φ = 22886428.

The previous prime is 22886399. The next prime is 22886441. The reversal of 22886429 is 92468822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13675204 + 9211225 = 3698^2 + 3035^2 .

It is a cyclic number.

It is not a de Polignac number, because 22886429 - 2¹² = 22882333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22886729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11443214 + 11443215.

It is an arithmetic number, because the mean of its divisors is an integer number (11443215).

Almost surely, 2^22886429 is an apocalyptic number.

It is an amenable number.

22886429 is a deficient number, since it is larger than the sum of its proper divisors (1).

22886429 is an equidigital number, since it uses as much as digits as its factorization.

22886429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 110592, while the sum is 41.

The square root of 22886429 is about 4783.9762750248. The cubic root of 22886429 is about 283.9178372716.

The spelling of 22886429 in words is "twenty-two million, eight hundred eighty-six thousand, four hundred twenty-nine".