225214533553 has 4 divisors (see below), whose sum is σ = 227745034020. Its totient is φ = 222684033088.

The previous prime is 225214533539. The next prime is 225214533569. The reversal of 225214533553 is 355335412522.

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

It can be written as a sum of positive squares in 2 ways, for example, as 30153627904 + 195060905649 = 173648^2 + 441657^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225214533553 is a prime.

It is a super-2 number, since 2×225214533553² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225214233553) 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, 1265250100 + ... + 1265250277.

It is an arithmetic number, because the mean of its divisors is an integer number (56936258505).

Almost surely, 2^225214533553 is an apocalyptic number.

It is an amenable number.

225214533553 is a deficient number, since it is larger than the sum of its proper divisors (2530500467).

225214533553 is an equidigital number, since it uses as much as digits as its factorization.

225214533553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530500466.

The product of its digits is 540000, while the sum is 40.

The spelling of 225214533553 in words is "two hundred twenty-five billion, two hundred fourteen million, five hundred thirty-three thousand, five hundred fifty-three".