225021404433 has 8 divisors (see below), whose sum is σ = 342889759168. Its totient is φ = 128583659664.

The previous prime is 225021404407. The next prime is 225021404441. The reversal of 225021404433 is 334404120522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225021404433 - 2⁵ = 225021404401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225021404433.

It is not an unprimeable number, because it can be changed into a prime (225021404453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5357652466 + ... + 5357652507.

It is an arithmetic number, because the mean of its divisors is an integer number (42861219896).

Almost surely, 2^225021404433 is an apocalyptic number.

It is an amenable number.

225021404433 is a deficient number, since it is larger than the sum of its proper divisors (117868354735).

225021404433 is a wasteful number, since it uses less digits than its factorization.

225021404433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10715304983.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 225021404433 its reverse (334404120522), we get a palindrome (559425524955).

The spelling of 225021404433 in words is "two hundred twenty-five billion, twenty-one million, four hundred four thousand, four hundred thirty-three".