225245046 has 32 divisors (see below), whose sum is σ = 485946720. Its totient is φ = 69191424.

The previous prime is 225245029. The next prime is 225245099. The reversal of 225245046 is 640542522.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53266 + ... + 57338.

It is an arithmetic number, because the mean of its divisors is an integer number (15185835).

Almost surely, 2^225245046 is an apocalyptic number.

225245046 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

225245046 is an abundant number, since it is smaller than the sum of its proper divisors (260701674).

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

225245046 is a wasteful number, since it uses less digits than its factorization.

225245046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4800.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 225245046 is about 15008.1659772272. The cubic root of 225245046 is about 608.4409223023.

Adding to 225245046 its reverse (640542522), we get a palindrome (865787568).

The spelling of 225245046 in words is "two hundred twenty-five million, two hundred forty-five thousand, forty-six".