425400422 has 4 divisors (see below), whose sum is σ = 638100636. Its totient is φ = 212700210.

The previous prime is 425400413. The next prime is 425400457. The reversal of 425400422 is 224004524.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106350104 + ... + 106350107.

It is an arithmetic number, because the mean of its divisors is an integer number (159525159).

Almost surely, 2^425400422 is an apocalyptic number.

425400422 is a deficient number, since it is larger than the sum of its proper divisors (212700214).

425400422 is a wasteful number, since it uses less digits than its factorization.

425400422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212700213.

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 425400422 is about 20625.2375016629. The cubic root of 425400422 is about 752.0833464943.

Adding to 425400422 its reverse (224004524), we get a palindrome (649404946).

The spelling of 425400422 in words is "four hundred twenty-five million, four hundred thousand, four hundred twenty-two".