164226233 has 4 divisors (see below), whose sum is σ = 171366528. Its totient is φ = 157085940.

The previous prime is 164226229. The next prime is 164226247. The reversal of 164226233 is 332622461.

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: 332622461 = 487 ⋅683003.

It is a cyclic number.

It is not a de Polignac number, because 164226233 - 2² = 164226229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164226196 and 164226205.

It is not an unprimeable number, because it can be changed into a prime (164226203) 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, 3570113 + ... + 3570158.

It is an arithmetic number, because the mean of its divisors is an integer number (42841632).

Almost surely, 2^164226233 is an apocalyptic number.

It is an amenable number.

164226233 is a deficient number, since it is larger than the sum of its proper divisors (7140295).

164226233 is an equidigital number, since it uses as much as digits as its factorization.

164226233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7140294.

The product of its digits is 10368, while the sum is 29.

The square root of 164226233 is about 12815.0783454492. The cubic root of 164226233 is about 547.6219454119.

Adding to 164226233 its reverse (332622461), we get a palindrome (496848694).

The spelling of 164226233 in words is "one hundred sixty-four million, two hundred twenty-six thousand, two hundred thirty-three".