224310138 has 64 divisors (see below), whose sum is σ = 515652480. Its totient is φ = 64438272.

The previous prime is 224310137. The next prime is 224310167. The reversal of 224310138 is 831013422.

224310138 is nontrivially palindromic in base 12.

It is not an unprimeable number, because it can be changed into a prime (224310133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183706 + ... + 184922.

It is an arithmetic number, because the mean of its divisors is an integer number (8057070).

Almost surely, 2^224310138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224310138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257826240).

224310138 is an abundant number, since it is smaller than the sum of its proper divisors (291342342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

224310138 is a wasteful number, since it uses less digits than its factorization.

224310138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 224310138 is about 14976.9869466458. The cubic root of 224310138 is about 607.5979513179.

The spelling of 224310138 in words is "two hundred twenty-four million, three hundred ten thousand, one hundred thirty-eight".