43340021224 has 8 divisors (see below), whose sum is σ = 81262539810. Its totient is φ = 21670010608.

The previous prime is 43340021203. The next prime is 43340021237. The reversal of 43340021224 is 42212004334.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 25541793124 + 17798228100 = 159818^2 + 133410^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2708751319 + ... + 2708751334.

Almost surely, 2^43340021224 is an apocalyptic number.

It is an amenable number.

43340021224 is a deficient number, since it is larger than the sum of its proper divisors (37922518586).

43340021224 is a wasteful number, since it uses less digits than its factorization.

43340021224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5417502659 (or 5417502655 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 43340021224 its reverse (42212004334), we get a palindrome (85552025558).

The spelling of 43340021224 in words is "forty-three billion, three hundred forty million, twenty-one thousand, two hundred twenty-four".