224255551 has 8 divisors (see below), whose sum is σ = 255712464. Its totient is φ = 194828160.

The previous prime is 224255513. The next prime is 224255567. The reversal of 224255551 is 155552422.

It is a happy number.

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

It is not a de Polignac number, because 224255551 - 2²³ = 215866943 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 (224255351) 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, 507145 + ... + 507586.

It is an arithmetic number, because the mean of its divisors is an integer number (31964058).

Almost surely, 2^224255551 is an apocalyptic number.

224255551 is a deficient number, since it is larger than the sum of its proper divisors (31456913).

224255551 is a wasteful number, since it uses less digits than its factorization.

224255551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014761.

The product of its digits is 20000, while the sum is 31.

The square root of 224255551 is about 14975.1644732203. The cubic root of 224255551 is about 607.5486599803.

The spelling of 224255551 in words is "two hundred twenty-four million, two hundred fifty-five thousand, five hundred fifty-one".