225984219821519 has 2 divisors, whose sum is σ = 225984219821520. Its totient is φ = 225984219821518.

The previous prime is 225984219821501. The next prime is 225984219821609. The reversal of 225984219821519 is 915128912489522.

225984219821519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225984219821519 - 2³⁶ = 225915500344783 is a prime.

It is a super-2 number, since 2×225984219821519² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225984219821719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112992109910759 + 112992109910760.

It is an arithmetic number, because the mean of its divisors is an integer number (112992109910760).

Almost surely, 2^{225984219821519} is an apocalyptic number.

225984219821519 is a deficient number, since it is larger than the sum of its proper divisors (1).

225984219821519 is an equidigital number, since it uses as much as digits as its factorization.

225984219821519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74649600, while the sum is 68.

The spelling of 225984219821519 in words is "two hundred twenty-five trillion, nine hundred eighty-four billion, two hundred nineteen million, eight hundred twenty-one thousand, five hundred nineteen".