342121224 has 32 divisors (see below), whose sum is σ = 856044000. Its totient is φ = 113941632.

The previous prime is 342121223. The next prime is 342121237. The reversal of 342121224 is 422121243.

It is a super-2 number, since 2×342121224² = 234093863822516352, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 342121224.

It is not an unprimeable number, because it can be changed into a prime (342121223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25407 + ... + 36465.

It is an arithmetic number, because the mean of its divisors is an integer number (26751375).

Almost surely, 2^342121224 is an apocalyptic number.

It is an amenable number.

342121224 is an abundant number, since it is smaller than the sum of its proper divisors (513922776).

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

342121224 is a wasteful number, since it uses less digits than its factorization.

342121224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12357 (or 12353 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 342121224 is about 18496.5192401165. The cubic root of 342121224 is about 699.4016819365.

Adding to 342121224 its reverse (422121243), we get a palindrome (764242467).

The spelling of 342121224 in words is "three hundred forty-two million, one hundred twenty-one thousand, two hundred twenty-four".