22224629 has 4 divisors (see below), whose sum is σ = 25399584. Its totient is φ = 19049676.

The previous prime is 22224617. The next prime is 22224667. The reversal of 22224629 is 92642222.

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 an emirpimes, since its reverse is a distinct semiprime: 92642222 = 2 ⋅46321111.

It is a cyclic number.

It is not a de Polignac number, because 22224629 - 2¹² = 22220533 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22224689) 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, 1587467 + ... + 1587480.

It is an arithmetic number, because the mean of its divisors is an integer number (6349896).

Almost surely, 2^22224629 is an apocalyptic number.

It is an amenable number.

22224629 is a deficient number, since it is larger than the sum of its proper divisors (3174955).

22224629 is an equidigital number, since it uses as much as digits as its factorization.

22224629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174954.

The product of its digits is 6912, while the sum is 29.

The square root of 22224629 is about 4714.3004783319. The cubic root of 22224629 is about 281.1543711758.

The spelling of 22224629 in words is "twenty-two million, two hundred twenty-four thousand, six hundred twenty-nine".