22552329 has 4 divisors (see below), whose sum is σ = 30069776. Its totient is φ = 15034884.

The previous prime is 22552307. The next prime is 22552381. The reversal of 22552329 is 92325522.

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 not a de Polignac number, because 22552329 - 2¹⁵ = 22519561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22552296 and 22552305.

It is not an unprimeable number, because it can be changed into a prime (22552429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3758719 + ... + 3758724.

It is an arithmetic number, because the mean of its divisors is an integer number (7517444).

Almost surely, 2^22552329 is an apocalyptic number.

It is an amenable number.

22552329 is a deficient number, since it is larger than the sum of its proper divisors (7517447).

22552329 is an equidigital number, since it uses as much as digits as its factorization.

22552329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7517446.

The product of its digits is 10800, while the sum is 30.

The square root of 22552329 is about 4748.9292477357. The cubic root of 22552329 is about 282.5294990993.

The spelling of 22552329 in words is "twenty-two million, five hundred fifty-two thousand, three hundred twenty-nine".