225637534 has 8 divisors (see below), whose sum is σ = 341619768. Its totient is φ = 111764280.

The previous prime is 225637513. The next prime is 225637537. The reversal of 225637534 is 435736522.

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

It is a junction number, because it is equal to n+sod(n) for n = 225637493 and 225637502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225637537) by changing a digit.

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, 526977 + ... + 527404.

It is an arithmetic number, because the mean of its divisors is an integer number (42702471).

Almost surely, 2^225637534 is an apocalyptic number.

225637534 is a deficient number, since it is larger than the sum of its proper divisors (115982234).

225637534 is a wasteful number, since it uses less digits than its factorization.

225637534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1054490.

The product of its digits is 151200, while the sum is 37.

The square root of 225637534 is about 15021.2361009339. The cubic root of 225637534 is about 608.7941186593.

The spelling of 225637534 in words is "two hundred twenty-five million, six hundred thirty-seven thousand, five hundred thirty-four".