4221242421224 has 8 divisors (see below), whose sum is σ = 7914829539810. Its totient is φ = 2110621210608.

The previous prime is 4221242421217. The next prime is 4221242421281.

It is a happy number.

4221242421224 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 3826835812900 + 394406608324 = 1956230^2 + 628018^2 .

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

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263827651319 + ... + 263827651334.

Almost surely, 2^{4221242421224} is an apocalyptic number.

It is an amenable number.

4221242421224 is a deficient number, since it is larger than the sum of its proper divisors (3693587118586).

4221242421224 is a wasteful number, since it uses less digits than its factorization.

4221242421224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527655302659 (or 527655302655 counting only the distinct ones).

The product of its digits is 32768, while the sum is 32.

The spelling of 4221242421224 in words is "four trillion, two hundred twenty-one billion, two hundred forty-two million, four hundred twenty-one thousand, two hundred twenty-four".