4221434184825 has 72 divisors (see below), whose sum is σ = 8261737853824. Its totient is φ = 1889313148800.

The previous prime is 4221434184769. The next prime is 4221434184881. The reversal of 4221434184825 is 5284814341224.

It is an interprime number because it is at equal distance from previous prime (4221434184769) and next prime (4221434184881).

It is not a de Polignac number, because 4221434184825 - 2⁶ = 4221434184761 is a prime.

It is a super-2 number, since 2×4221434184825² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17773249 + ... + 18009198.

Almost surely, 2^{4221434184825} is an apocalyptic number.

It is an amenable number.

4221434184825 is a deficient number, since it is larger than the sum of its proper divisors (4040303668999).

4221434184825 is a wasteful number, since it uses less digits than its factorization.

4221434184825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35782495 (or 35782479 counting only the distinct ones).

The product of its digits is 1966080, while the sum is 48.

The spelling of 4221434184825 in words is "four trillion, two hundred twenty-one billion, four hundred thirty-four million, one hundred eighty-four thousand, eight hundred twenty-five".