424224219987 has 12 divisors (see below), whose sum is σ = 612773970120. Its totient is φ = 282813537888.

The previous prime is 424224219971. The next prime is 424224220009. The reversal of 424224219987 is 789912422424.

424224219987 is a `hidden beast` number, since 424 + 2 + 24 + 2 + 199 + 8 + 7 = 666.

It is not a de Polignac number, because 424224219987 - 2⁴ = 424224219971 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (424224219917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1741303 + ... + 1969919.

It is an arithmetic number, because the mean of its divisors is an integer number (51064497510).

Almost surely, 2^424224219987 is an apocalyptic number.

424224219987 is a deficient number, since it is larger than the sum of its proper divisors (188549750133).

424224219987 is a wasteful number, since it uses less digits than its factorization.

424224219987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434802 (or 434799 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 424224219987 in words is "four hundred twenty-four billion, two hundred twenty-four million, two hundred nineteen thousand, nine hundred eighty-seven".