20225162 has 8 divisors (see below), whose sum is σ = 31157796. Its totient is φ = 9839232.

The previous prime is 20225159. The next prime is 20225167. The reversal of 20225162 is 26152202.

It can be written as a sum of positive squares in 2 ways, for example, as 19722481 + 502681 = 4441^2 + 709^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (20225167) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 136583 + ... + 136730.

Almost surely, 2^20225162 is an apocalyptic number.

20225162 is a deficient number, since it is larger than the sum of its proper divisors (10932634).

20225162 is a wasteful number, since it uses less digits than its factorization.

20225162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273352.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 20225162 is about 4497.2393754391. The cubic root of 20225162 is about 272.4566022408.

Adding to 20225162 its reverse (26152202), we get a palindrome (46377364).

The spelling of 20225162 in words is "twenty million, two hundred twenty-five thousand, one hundred sixty-two".