224121242 has 8 divisors (see below), whose sum is σ = 340787316. Its totient is φ = 110525472.

The previous prime is 224121229. The next prime is 224121257. The reversal of 224121242 is 242121422.

It can be written as a sum of positive squares in 2 ways, for example, as 199628641 + 24492601 = 14129^2 + 4949^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×224121242² = 100460662231245128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767393 + ... + 767684.

Almost surely, 2^224121242 is an apocalyptic number.

224121242 is a deficient number, since it is larger than the sum of its proper divisors (116666074).

224121242 is a wasteful number, since it uses less digits than its factorization.

224121242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535152.

The product of its digits is 512, while the sum is 20.

The square root of 224121242 is about 14970.6794101003. The cubic root of 224121242 is about 607.4273466717.

Adding to 224121242 its reverse (242121422), we get a palindrome (466242664).

The spelling of 224121242 in words is "two hundred twenty-four million, one hundred twenty-one thousand, two hundred forty-two".