22668029 has 4 divisors (see below), whose sum is σ = 22677984. Its totient is φ = 22658076.

The previous prime is 22668011. The next prime is 22668031. The reversal of 22668029 is 92086622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 92086622 = 2 ⋅46043311.

It is a cyclic number.

It is not a de Polignac number, because 22668029 - 2¹² = 22663933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22668029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22668049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314 + ... + 6740.

It is an arithmetic number, because the mean of its divisors is an integer number (5669496).

Almost surely, 2^22668029 is an apocalyptic number.

It is an amenable number.

22668029 is a deficient number, since it is larger than the sum of its proper divisors (9955).

22668029 is an equidigital number, since it uses as much as digits as its factorization.

22668029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9954.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 22668029 is about 4761.0953571631. The cubic root of 22668029 is about 283.0118280131.

The spelling of 22668029 in words is "twenty-two million, six hundred sixty-eight thousand, twenty-nine".