225011401 has 4 divisors (see below), whose sum is σ = 225779652. Its totient is φ = 224243152.

The previous prime is 225011387. The next prime is 225011429. The reversal of 225011401 is 104110522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 108889225 + 116122176 = 10435^2 + 10776^2 .

It is a cyclic number.

It is not a de Polignac number, because 225011401 - 2⁷ = 225011273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225011441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383686 + ... + 384271.

It is an arithmetic number, because the mean of its divisors is an integer number (56444913).

Almost surely, 2^225011401 is an apocalyptic number.

It is an amenable number.

225011401 is a deficient number, since it is larger than the sum of its proper divisors (768251).

225011401 is an equidigital number, since it uses as much as digits as its factorization.

225011401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768250.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 225011401 is about 15000.3800285193. The cubic root of 225011401 is about 608.2304724483.

Adding to 225011401 its reverse (104110522), we get a palindrome (329121923).

The spelling of 225011401 in words is "two hundred twenty-five million, eleven thousand, four hundred one".