225611427 has 16 divisors (see below), whose sum is σ = 305272352. Its totient is φ = 148193280.

The previous prime is 225611423. The next prime is 225611431. The reversal of 225611427 is 724116522.

It is an interprime number because it is at equal distance from previous prime (225611423) and next prime (225611431).

It is not a de Polignac number, because 225611427 - 2² = 225611423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225611394 and 225611403.

It is not an unprimeable number, because it can be changed into a prime (225611423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68523 + ... + 71739.

It is an arithmetic number, because the mean of its divisors is an integer number (19079522).

Almost surely, 2^225611427 is an apocalyptic number.

225611427 is a deficient number, since it is larger than the sum of its proper divisors (79660925).

225611427 is a wasteful number, since it uses less digits than its factorization.

225611427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3558.

The product of its digits is 6720, while the sum is 30.

The square root of 225611427 is about 15020.3670727449. The cubic root of 225611427 is about 608.7706379307.

Adding to 225611427 its reverse (724116522), we get a palindrome (949727949).

The spelling of 225611427 in words is "two hundred twenty-five million, six hundred eleven thousand, four hundred twenty-seven".