164025422 has 12 divisors (see below), whose sum is σ = 270439008. Its totient is φ = 74556900.

The previous prime is 164025419. The next prime is 164025427. The reversal of 164025422 is 224520461.

164025422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 164025391 and 164025400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164025427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 338654 + ... + 339137.

It is an arithmetic number, because the mean of its divisors is an integer number (22536584).

Almost surely, 2^164025422 is an apocalyptic number.

164025422 is a deficient number, since it is larger than the sum of its proper divisors (106413586).

164025422 is a wasteful number, since it uses less digits than its factorization.

164025422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677815 (or 677804 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 164025422 is about 12807.2409987475. The cubic root of 164025422 is about 547.3986490460.

Adding to 164025422 its reverse (224520461), we get a palindrome (388545883).

The spelling of 164025422 in words is "one hundred sixty-four million, twenty-five thousand, four hundred twenty-two".