225214533 has 16 divisors (see below), whose sum is σ = 334230400. Its totient is φ = 149882400.

The previous prime is 225214531. The next prime is 225214631. The reversal of 225214533 is 335412522.

It is a happy number.

It is not a de Polignac number, because 225214533 - 2¹ = 225214531 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225214497 and 225214506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225214531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9288 + ... + 23166.

It is an arithmetic number, because the mean of its divisors is an integer number (20889400).

Almost surely, 2^225214533 is an apocalyptic number.

It is an amenable number.

225214533 is a deficient number, since it is larger than the sum of its proper divisors (109015867).

225214533 is a wasteful number, since it uses less digits than its factorization.

225214533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14489 (or 14483 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 225214533 is about 15007.1493962045. The cubic root of 225214533 is about 608.4134467499.

The spelling of 225214533 in words is "two hundred twenty-five million, two hundred fourteen thousand, five hundred thirty-three".