225724042201 has 8 divisors (see below), whose sum is σ = 260001597440. Its totient is φ = 191954302848.

The previous prime is 225724042199. The next prime is 225724042211. The reversal of 225724042201 is 102240427522.

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

It is not a de Polignac number, because 225724042201 - 2¹ = 225724042199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225724042211) 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, 126953016 + ... + 126954793.

It is an arithmetic number, because the mean of its divisors is an integer number (32500199680).

Almost surely, 2^225724042201 is an apocalyptic number.

It is an amenable number.

225724042201 is a deficient number, since it is larger than the sum of its proper divisors (34277555239).

225724042201 is a wasteful number, since it uses less digits than its factorization.

225724042201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253907943.

The product of its (nonzero) digits is 17920, while the sum is 31.

Adding to 225724042201 its reverse (102240427522), we get a palindrome (327964469723).

The spelling of 225724042201 in words is "two hundred twenty-five billion, seven hundred twenty-four million, forty-two thousand, two hundred one".