225252436 has 6 divisors (see below), whose sum is σ = 394191770. Its totient is φ = 112626216.

The previous prime is 225252413. The next prime is 225252449. The reversal of 225252436 is 634252522.

It can be written as a sum of positive squares in only one way, i.e., 138203536 + 87048900 = 11756^2 + 9330^2 .

It is a junction number, because it is equal to n+sod(n) for n = 225252398 and 225252407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28156551 + ... + 28156558.

Almost surely, 2^225252436 is an apocalyptic number.

It is an amenable number.

225252436 is a deficient number, since it is larger than the sum of its proper divisors (168939334).

225252436 is a wasteful number, since it uses less digits than its factorization.

225252436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56313113 (or 56313111 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 225252436 is about 15008.4121745107. The cubic root of 225252436 is about 608.4475762840.

The spelling of 225252436 in words is "two hundred twenty-five million, two hundred fifty-two thousand, four hundred thirty-six".