224469851 has 2 divisors, whose sum is σ = 224469852. Its totient is φ = 224469850.

The previous prime is 224469823. The next prime is 224469881. The reversal of 224469851 is 158964422.

224469851 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 a de Polignac number, because none of the positive numbers 2^k-224469851 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 224469799 and 224469808.

It is not a weakly prime, because it can be changed into another prime (224469821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112234925 + 112234926.

It is an arithmetic number, because the mean of its divisors is an integer number (112234926).

Almost surely, 2^224469851 is an apocalyptic number.

224469851 is a deficient number, since it is larger than the sum of its proper divisors (1).

224469851 is an equidigital number, since it uses as much as digits as its factorization.

224469851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138240, while the sum is 41.

The square root of 224469851 is about 14982.3179448308. The cubic root of 224469851 is about 607.7421241282.

The spelling of 224469851 in words is "two hundred twenty-four million, four hundred sixty-nine thousand, eight hundred fifty-one".