22668429 has 48 divisors (see below), whose sum is σ = 38216448. Its totient is φ = 11870208.

The previous prime is 22668427. The next prime is 22668461. The reversal of 22668429 is 92486622.

It is not a de Polignac number, because 22668429 - 2¹ = 22668427 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22668427) 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 in 47 ways as a sum of consecutive naturals, for example, 117357 + ... + 117549.

It is an arithmetic number, because the mean of its divisors is an integer number (796176).

Almost surely, 2^22668429 is an apocalyptic number.

It is an amenable number.

22668429 is a deficient number, since it is larger than the sum of its proper divisors (15548019).

22668429 is a wasteful number, since it uses less digits than its factorization.

22668429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274 (or 267 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 22668429 is about 4761.1373641179. The cubic root of 22668429 is about 283.0134926787.

The spelling of 22668429 in words is "twenty-two million, six hundred sixty-eight thousand, four hundred twenty-nine".