224121243402 has 96 divisors (see below), whose sum is σ = 580555123200. Its totient is φ = 61131780864.

The previous prime is 224121243397. The next prime is 224121243403. The reversal of 224121243402 is 204342121422.

It is a happy number.

224121243402 is a `hidden beast` number, since 2 + 2 + 4 + 1 + 212 + 43 + 402 = 666.

It is not an unprimeable number, because it can be changed into a prime (224121243403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19378 + ... + 669789.

It is an arithmetic number, because the mean of its divisors is an integer number (6047449200).

Almost surely, 2^224121243402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224121243402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290277561600).

224121243402 is an abundant number, since it is smaller than the sum of its proper divisors (356433879798).

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

224121243402 is a wasteful number, since it uses less digits than its factorization.

224121243402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689300 (or 689297 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 224121243402 its reverse (204342121422), we get a palindrome (428463364824).

The spelling of 224121243402 in words is "two hundred twenty-four billion, one hundred twenty-one million, two hundred forty-three thousand, four hundred two".