224121030 has 128 divisors (see below), whose sum is σ = 661312512. Its totient is φ = 47443968.

The previous prime is 224120987. The next prime is 224121049. The reversal of 224121030 is 30121422.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 238722 + ... + 239658.

It is an arithmetic number, because the mean of its divisors is an integer number (5166504).

Almost surely, 2^224121030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224121030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330656256).

224121030 is an abundant number, since it is smaller than the sum of its proper divisors (437191482).

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

224121030 is a wasteful number, since it uses less digits than its factorization.

224121030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 224121030 is about 14970.6723295916. The cubic root of 224121030 is about 607.4271551464.

Adding to 224121030 its reverse (30121422), we get a palindrome (254242452).

The spelling of 224121030 in words is "two hundred twenty-four million, one hundred twenty-one thousand, thirty".