22645429 has 4 divisors (see below), whose sum is σ = 22932160. Its totient is φ = 22358700.

The previous prime is 22645423. The next prime is 22645451. The reversal of 22645429 is 92454622.

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.

It is a cyclic number.

It is not a de Polignac number, because 22645429 - 2⁹ = 22644917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22645394 and 22645403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22645423) 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 3 ways as a sum of consecutive naturals, for example, 143247 + ... + 143404.

It is an arithmetic number, because the mean of its divisors is an integer number (5733040).

Almost surely, 2^22645429 is an apocalyptic number.

It is an amenable number.

22645429 is a deficient number, since it is larger than the sum of its proper divisors (286731).

22645429 is an equidigital number, since it uses as much as digits as its factorization.

22645429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286730.

The product of its digits is 34560, while the sum is 34.

The square root of 22645429 is about 4758.7213618786. The cubic root of 22645429 is about 282.9177425780.

The spelling of 22645429 in words is "twenty-two million, six hundred forty-five thousand, four hundred twenty-nine".