224121439 has 2 divisors, whose sum is σ = 224121440. Its totient is φ = 224121438.

The previous prime is 224121433. The next prime is 224121509. The reversal of 224121439 is 934121422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 224121439 - 2³ = 224121431 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (224121431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112060719 + 112060720.

It is an arithmetic number, because the mean of its divisors is an integer number (112060720).

Almost surely, 2^224121439 is an apocalyptic number.

224121439 is a deficient number, since it is larger than the sum of its proper divisors (1).

224121439 is an equidigital number, since it uses as much as digits as its factorization.

224121439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 224121439 is about 14970.6859896265. The cubic root of 224121439 is about 607.4275246455.

The spelling of 224121439 in words is "two hundred twenty-four million, one hundred twenty-one thousand, four hundred thirty-nine".