164222412 has 12 divisors (see below), whose sum is σ = 383185656. Its totient is φ = 54740800.

The previous prime is 164222393. The next prime is 164222449. The reversal of 164222412 is 214222461.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6842589 + ... + 6842612.

It is an arithmetic number, because the mean of its divisors is an integer number (31932138).

Almost surely, 2^164222412 is an apocalyptic number.

164222412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164222412 is an abundant number, since it is smaller than the sum of its proper divisors (218963244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164222412 is a wasteful number, since it uses less digits than its factorization.

164222412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13685208 (or 13685206 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 164222412 is about 12814.9292623877. The cubic root of 164222412 is about 547.6176982632.

Adding to 164222412 its reverse (214222461), we get a palindrome (378444873).

The spelling of 164222412 in words is "one hundred sixty-four million, two hundred twenty-two thousand, four hundred twelve".