225340214251 has 4 divisors (see below), whose sum is σ = 225492164632. Its totient is φ = 225188263872.

The previous prime is 225340214249. The next prime is 225340214269. The reversal of 225340214251 is 152412043522.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 225340214251 - 2¹ = 225340214249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225340214051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75972966 + ... + 75975931.

It is an arithmetic number, because the mean of its divisors is an integer number (56373041158).

Almost surely, 2^225340214251 is an apocalyptic number.

225340214251 is a deficient number, since it is larger than the sum of its proper divisors (151950381).

225340214251 is a wasteful number, since it uses less digits than its factorization.

225340214251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151950380.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 225340214251 its reverse (152412043522), we get a palindrome (377752257773).

The spelling of 225340214251 in words is "two hundred twenty-five billion, three hundred forty million, two hundred fourteen thousand, two hundred fifty-one".