225406322 has 4 divisors (see below), whose sum is σ = 338109486. Its totient is φ = 112703160.

The previous prime is 225406319. The next prime is 225406339. The reversal of 225406322 is 223604522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 223604522 = 2 ⋅111802261.

It can be written as a sum of positive squares in only one way, i.e., 222875041 + 2531281 = 14929^2 + 1591^2 .

It is a junction number, because it is equal to n+sod(n) for n = 225406291 and 225406300.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56351579 + ... + 56351582.

Almost surely, 2^225406322 is an apocalyptic number.

225406322 is a deficient number, since it is larger than the sum of its proper divisors (112703164).

225406322 is a wasteful number, since it uses less digits than its factorization.

225406322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112703163.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 225406322 is about 15013.5379574569. The cubic root of 225406322 is about 608.5861027174.

The spelling of 225406322 in words is "two hundred twenty-five million, four hundred six thousand, three hundred twenty-two".