424522431 has 32 divisors (see below), whose sum is σ = 662737920. Its totient is φ = 268041312.

The previous prime is 424522429. The next prime is 424522447. The reversal of 424522431 is 134225424.

It is not a de Polignac number, because 424522431 - 2¹ = 424522429 is a prime.

It is a super-2 number, since 2×424522431² = 360438588844299522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 424522395 and 424522404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424522481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60645 + ... + 67281.

It is an arithmetic number, because the mean of its divisors is an integer number (20710560).

Almost surely, 2^424522431 is an apocalyptic number.

424522431 is a deficient number, since it is larger than the sum of its proper divisors (238215489).

424522431 is a wasteful number, since it uses less digits than its factorization.

424522431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6772 (or 6766 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 424522431 is about 20603.9421228075. The cubic root of 424522431 is about 751.5655776814.

Adding to 424522431 its reverse (134225424), we get a palindrome (558747855).

The spelling of 424522431 in words is "four hundred twenty-four million, five hundred twenty-two thousand, four hundred thirty-one".