164022207 has 4 divisors (see below), whose sum is σ = 218696280. Its totient is φ = 109348136.

The previous prime is 164022203. The next prime is 164022241. The reversal of 164022207 is 702220461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164022207 - 2² = 164022203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164022203) 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, 27337032 + ... + 27337037.

It is an arithmetic number, because the mean of its divisors is an integer number (54674070).

Almost surely, 2^164022207 is an apocalyptic number.

164022207 is a deficient number, since it is larger than the sum of its proper divisors (54674073).

164022207 is an equidigital number, since it uses as much as digits as its factorization.

164022207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54674072.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 164022207 is about 12807.1154831992. The cubic root of 164022207 is about 547.3950725716.

Adding to 164022207 its reverse (702220461), we get a palindrome (866242668).

The spelling of 164022207 in words is "one hundred sixty-four million, twenty-two thousand, two hundred seven".