164224392 has 32 divisors (see below), whose sum is σ = 419299200. Its totient is φ = 53576384.

The previous prime is 164224387. The next prime is 164224399. The reversal of 164224392 is 293422461.

164224392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (164224399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71667 + ... + 73922.

It is an arithmetic number, because the mean of its divisors is an integer number (13103100).

Almost surely, 2^164224392 is an apocalyptic number.

164224392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164224392 is an abundant number, since it is smaller than the sum of its proper divisors (255074808).

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

164224392 is a wasteful number, since it uses less digits than its factorization.

164224392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145645 (or 145641 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 164224392 is about 12815.0065158001. The cubic root of 164224392 is about 547.6198990969.

The spelling of 164224392 in words is "one hundred sixty-four million, two hundred twenty-four thousand, three hundred ninety-two".