225211124 has 24 divisors (see below), whose sum is σ = 420826560. Its totient is φ = 105202944.

The previous prime is 225211109. The next prime is 225211127. The reversal of 225211124 is 421112522.

It is a junction number, because it is equal to n+sod(n) for n = 225211096 and 225211105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225211127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24509 + ... + 32420.

It is an arithmetic number, because the mean of its divisors is an integer number (17534440).

Almost surely, 2^225211124 is an apocalyptic number.

It is an amenable number.

225211124 is a deficient number, since it is larger than the sum of its proper divisors (195615436).

225211124 is a wasteful number, since it uses less digits than its factorization.

225211124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56999 (or 56997 counting only the distinct ones).

The product of its digits is 320, while the sum is 20.

The square root of 225211124 is about 15007.0358165762. The cubic root of 225211124 is about 608.4103769481.

Adding to 225211124 its reverse (421112522), we get a palindrome (646323646).

The spelling of 225211124 in words is "two hundred twenty-five million, two hundred eleven thousand, one hundred twenty-four".