225124144 has 20 divisors (see below), whose sum is σ = 498489424. Its totient is φ = 96481728.

The previous prime is 225124121. The next prime is 225124147. The reversal of 225124144 is 441421522.

It is a super-3 number, since 3×225124144³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (225124147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004907 + ... + 1005130.

Almost surely, 2^225124144 is an apocalyptic number.

It is an amenable number.

225124144 is an abundant number, since it is smaller than the sum of its proper divisors (273365280).

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

225124144 is a wasteful number, since it uses less digits than its factorization.

225124144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010052 (or 2010046 counting only the distinct ones).

The product of its digits is 2560, while the sum is 25.

The square root of 225124144 is about 15004.1375626858. The cubic root of 225124144 is about 608.3320410473.

Adding to 225124144 its reverse (441421522), we get a palindrome (666545666).

The spelling of 225124144 in words is "two hundred twenty-five million, one hundred twenty-four thousand, one hundred forty-four".