225662021513 has 4 divisors (see below), whose sum is σ = 225965739648. Its totient is φ = 225358303380.

The previous prime is 225662021483. The next prime is 225662021531. The reversal of 225662021513 is 315120266522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 225662021513 - 2⁶ = 225662021449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225662021573) 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, 151857953 + ... + 151859438.

It is an arithmetic number, because the mean of its divisors is an integer number (56491434912).

Almost surely, 2^225662021513 is an apocalyptic number.

It is an amenable number.

225662021513 is a deficient number, since it is larger than the sum of its proper divisors (303718135).

225662021513 is an equidigital number, since it uses as much as digits as its factorization.

225662021513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303718134.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 225662021513 in words is "two hundred twenty-five billion, six hundred sixty-two million, twenty-one thousand, five hundred thirteen".