225114033657821 has 32 divisors (see below), whose sum is σ = 288310848104448. Its totient is φ = 170634882277440.

The previous prime is 225114033657811. The next prime is 225114033657847. The reversal of 225114033657821 is 128756330411522.

It is a de Polignac number, because none of the positive numbers 2^k-225114033657821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225114033657821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225114033657811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4151216 + ... + 21620838.

It is an arithmetic number, because the mean of its divisors is an integer number (9009714003264).

Almost surely, 2^{225114033657821} is an apocalyptic number.

It is an amenable number.

225114033657821 is a deficient number, since it is larger than the sum of its proper divisors (63196814446627).

225114033657821 is a wasteful number, since it uses less digits than its factorization.

225114033657821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17474201.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 225114033657821 in words is "two hundred twenty-five trillion, one hundred fourteen billion, thirty-three million, six hundred fifty-seven thousand, eight hundred twenty-one".