1425422 has 4 divisors (see below), whose sum is σ = 2138136. Its totient is φ = 712710.

The previous prime is 1425371. The next prime is 1425427. The reversal of 1425422 is 2245241.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 1425394 and 1425403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356354 + ... + 356357.

It is an arithmetic number, because the mean of its divisors is an integer number (534534).

2^1425422 is an apocalyptic number.

1425422 is a deficient number, since it is larger than the sum of its proper divisors (712714).

1425422 is an equidigital number, since it uses as much as digits as its factorization.

1425422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712713.

The product of its digits is 640, while the sum is 20.

The square root of 1425422 is about 1193.9103818964. The cubic root of 1425422 is about 112.5419629465.

The spelling of 1425422 in words is "one million, four hundred twenty-five thousand, four hundred twenty-two".