424022004 has 36 divisors (see below), whose sum is σ = 1224953184. Its totient is φ = 121149072.

The previous prime is 424021903. The next prime is 424022063. The reversal of 424022004 is 400220424.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 841062 + ... + 841565.

Almost surely, 2^424022004 is an apocalyptic number.

It is an amenable number.

424022004 is an abundant number, since it is smaller than the sum of its proper divisors (800931180).

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

424022004 is a wasteful number, since it uses less digits than its factorization.

424022004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682644 (or 1682639 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 424022004 is about 20591.7945793950. The cubic root of 424022004 is about 751.2701464231.

Adding to 424022004 its reverse (400220424), we get a palindrome (824242428).

It can be divided in two parts, 4240 and 22004, that added together give a square (26244 = 162²).

The spelling of 424022004 in words is "four hundred twenty-four million, twenty-two thousand, four".