164201122 has 4 divisors (see below), whose sum is σ = 246301686. Its totient is φ = 82100560.

The previous prime is 164201111. The next prime is 164201137. The reversal of 164201122 is 221102461.

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

It can be written as a sum of positive squares in only one way, i.e., 106729561 + 57471561 = 10331^2 + 7581^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 164201122.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 41050279 + ... + 41050282.

Almost surely, 2^164201122 is an apocalyptic number.

164201122 is a deficient number, since it is larger than the sum of its proper divisors (82100564).

164201122 is an equidigital number, since it uses as much as digits as its factorization.

164201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82100563.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 164201122 is about 12814.0985636915. The cubic root of 164201122 is about 547.5940326248.

Adding to 164201122 its reverse (221102461), we get a palindrome (385303583).

The spelling of 164201122 in words is "one hundred sixty-four million, two hundred one thousand, one hundred twenty-two".