20232229 has 8 divisors (see below), whose sum is σ = 21287448. Its totient is φ = 19203840.

The previous prime is 20232211. The next prime is 20232239. The reversal of 20232229 is 92223202.

It can be written as a sum of positive squares in 4 ways, for example, as 1004004 + 19228225 = 1002^2 + 4385^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20232229 - 2⁵ = 20232197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20232239) 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 7 ways as a sum of consecutive naturals, for example, 5152 + ... + 8185.

It is an arithmetic number, because the mean of its divisors is an integer number (2660931).

Almost surely, 2^20232229 is an apocalyptic number.

It is an amenable number.

20232229 is a deficient number, since it is larger than the sum of its proper divisors (1055219).

20232229 is a wasteful number, since it uses less digits than its factorization.

20232229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13415.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 20232229 is about 4498.0250110465. The cubic root of 20232229 is about 272.4883321323.

The spelling of 20232229 in words is "twenty million, two hundred thirty-two thousand, two hundred twenty-nine".