225124156 has 12 divisors (see below), whose sum is σ = 394072560. Its totient is φ = 112532000.

The previous prime is 225124147. The next prime is 225124171. The reversal of 225124156 is 651421522.

It is a super-2 number, since 2×225124156² = 101361771229424672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23985 + ... + 32023.

It is an arithmetic number, because the mean of its divisors is an integer number (32839380).

Almost surely, 2^225124156 is an apocalyptic number.

It is an amenable number.

225124156 is a deficient number, since it is larger than the sum of its proper divisors (168948404).

225124156 is a wasteful number, since it uses less digits than its factorization.

225124156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15044 (or 15042 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 225124156 is about 15004.1379625755. The cubic root of 225124156 is about 608.3320518561.

Adding to 225124156 its reverse (651421522), we get a palindrome (876545678).

The spelling of 225124156 in words is "two hundred twenty-five million, one hundred twenty-four thousand, one hundred fifty-six".