164222372 has 6 divisors (see below), whose sum is σ = 287389158. Its totient is φ = 82111184.

The previous prime is 164222351. The next prime is 164222381. The reversal of 164222372 is 273222461.

164222372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 144384256 + 19838116 = 12016^2 + 4454^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20527793 + ... + 20527800.

It is an arithmetic number, because the mean of its divisors is an integer number (47898193).

Almost surely, 2^164222372 is an apocalyptic number.

It is an amenable number.

164222372 is a deficient number, since it is larger than the sum of its proper divisors (123166786).

164222372 is a wasteful number, since it uses less digits than its factorization.

164222372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41055597 (or 41055595 counting only the distinct ones).

The product of its digits is 8064, while the sum is 29.

The square root of 164222372 is about 12814.9277017079. The cubic root of 164222372 is about 547.6176538017.

The spelling of 164222372 in words is "one hundred sixty-four million, two hundred twenty-two thousand, three hundred seventy-two".