225433551 has 8 divisors (see below), whose sum is σ = 343517824. Its totient is φ = 128819160.

The previous prime is 225433543. The next prime is 225433597. The reversal of 225433551 is 155334522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225433551 - 2³ = 225433543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225433541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5367445 + ... + 5367486.

It is an arithmetic number, because the mean of its divisors is an integer number (42939728).

Almost surely, 2^225433551 is an apocalyptic number.

225433551 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

225433551 is a deficient number, since it is larger than the sum of its proper divisors (118084273).

225433551 is a wasteful number, since it uses less digits than its factorization.

225433551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10734941.

The product of its digits is 18000, while the sum is 30.

The square root of 225433551 is about 15014.4447449781. Note that the first 3 decimals coincide. The cubic root of 225433551 is about 608.6106073891.

The spelling of 225433551 in words is "two hundred twenty-five million, four hundred thirty-three thousand, five hundred fifty-one".