225223453 has 24 divisors (see below), whose sum is σ = 284407200. Its totient is φ = 176772960.

The previous prime is 225223441. The next prime is 225223459. The reversal of 225223453 is 354322522.

It is a happy number.

It is not a de Polignac number, because 225223453 - 2¹⁷ = 225092381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225223459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82098 + ... + 84796.

It is an arithmetic number, because the mean of its divisors is an integer number (11850300).

Almost surely, 2^225223453 is an apocalyptic number.

It is an amenable number.

225223453 is a deficient number, since it is larger than the sum of its proper divisors (59183747).

225223453 is a wasteful number, since it uses less digits than its factorization.

225223453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2857 (or 2850 counting only the distinct ones).

The product of its digits is 14400, while the sum is 28.

The square root of 225223453 is about 15007.4465849458. The cubic root of 225223453 is about 608.4214790561.

Adding to 225223453 its reverse (354322522), we get a palindrome (579545975).

The spelling of 225223453 in words is "two hundred twenty-five million, two hundred twenty-three thousand, four hundred fifty-three".