225143435 has 16 divisors (see below), whose sum is σ = 307549440. Its totient is φ = 156620640.

The previous prime is 225143431. The next prime is 225143447. The reversal of 225143435 is 534341522.

It is a happy number.

It is not a de Polignac number, because 225143435 - 2² = 225143431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225143398 and 225143407.

It is not an unprimeable number, because it can be changed into a prime (225143431) 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, 87725 + ... + 90254.

It is an arithmetic number, because the mean of its divisors is an integer number (19221840).

Almost surely, 2^225143435 is an apocalyptic number.

225143435 is a deficient number, since it is larger than the sum of its proper divisors (82406005).

225143435 is a wasteful number, since it uses less digits than its factorization.

225143435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178018.

The product of its digits is 14400, while the sum is 29.

The square root of 225143435 is about 15004.7804049243. The cubic root of 225143435 is about 608.3494166428.

Adding to 225143435 its reverse (534341522), we get a palindrome (759484957).

The spelling of 225143435 in words is "two hundred twenty-five million, one hundred forty-three thousand, four hundred thirty-five".