225706481 has 32 divisors (see below), whose sum is σ = 304324608. Its totient is φ = 161663040.

The previous prime is 225706471. The next prime is 225706493. The reversal of 225706481 is 184607522.

It is not a de Polignac number, because 225706481 - 2¹⁰ = 225705457 is a prime.

It is a super-2 number, since 2×225706481² = 101886831130806722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225706421) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 463220 + ... + 463706.

It is an arithmetic number, because the mean of its divisors is an integer number (9510144).

Almost surely, 2^225706481 is an apocalyptic number.

It is an amenable number.

225706481 is a deficient number, since it is larger than the sum of its proper divisors (78618127).

225706481 is a wasteful number, since it uses less digits than its factorization.

225706481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 225706481 is about 15023.5309098760. The cubic root of 225706481 is about 608.8561211296.

The spelling of 225706481 in words is "two hundred twenty-five million, seven hundred six thousand, four hundred eighty-one".