424422025 has 24 divisors (see below), whose sum is σ = 537447744. Its totient is φ = 332404800.

The previous prime is 424422001. The next prime is 424422029. The reversal of 424422025 is 520224424.

It is not a de Polignac number, because 424422025 - 2⁹ = 424421513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424422029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 277914 + ... + 279436.

It is an arithmetic number, because the mean of its divisors is an integer number (22393656).

Almost surely, 2^424422025 is an apocalyptic number.

It is an amenable number.

424422025 is a deficient number, since it is larger than the sum of its proper divisors (113025719).

424422025 is a wasteful number, since it uses less digits than its factorization.

424422025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761 (or 1756 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 424422025 is about 20601.5054061590. The cubic root of 424422025 is about 751.5063207863.

Adding to 424422025 its reverse (520224424), we get a palindrome (944646449).

The spelling of 424422025 in words is "four hundred twenty-four million, four hundred twenty-two thousand, twenty-five".