224551531 has 2 divisors, whose sum is σ = 224551532. Its totient is φ = 224551530.

The previous prime is 224551529. The next prime is 224551541. The reversal of 224551531 is 135155422.

224551531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 224551531 - 2¹ = 224551529 is a prime.

It is a super-2 number, since 2×224551531² = 100846780148887922, which contains 22 as substring.

Together with 224551529, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 224551531.

It is not a weakly prime, because it can be changed into another prime (224551501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112275765 + 112275766.

It is an arithmetic number, because the mean of its divisors is an integer number (112275766).

Almost surely, 2^224551531 is an apocalyptic number.

224551531 is a deficient number, since it is larger than the sum of its proper divisors (1).

224551531 is an equidigital number, since it uses as much as digits as its factorization.

224551531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6000, while the sum is 28.

The square root of 224551531 is about 14985.0435768469. The cubic root of 224551531 is about 607.8158301763.

The spelling of 224551531 in words is "two hundred twenty-four million, five hundred fifty-one thousand, five hundred thirty-one".