1425222 has 16 divisors (see below), whose sum is σ = 3167280. Its totient is φ = 475056.

The previous prime is 1425217. The next prime is 1425227. The reversal of 1425222 is 2225241.

1425222 is a `hidden beast` number, since 142 + 522 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1425217) and next prime (1425227).

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

It is a junction number, because it is equal to n+sod(n) for n = 1425195 and 1425204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13143 + ... + 13250.

It is an arithmetic number, because the mean of its divisors is an integer number (197955).

2^1425222 is an apocalyptic number.

1425222 is an abundant number, since it is smaller than the sum of its proper divisors (1742058).

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

1425222 is a wasteful number, since it uses less digits than its factorization.

1425222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26404 (or 26398 counting only the distinct ones).

The product of its digits is 320, while the sum is 18.

The square root of 1425222 is about 1193.8266205777. The cubic root of 1425222 is about 112.5366991380.

The spelling of 1425222 in words is "one million, four hundred twenty-five thousand, two hundred twenty-two".