1422512 has 40 divisors (see below), whose sum is σ = 3395616. Its totient is φ = 562176.

The previous prime is 1422493. The next prime is 1422521. The reversal of 1422512 is 2152241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968 + ... + 1944.

2^1422512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1697808).

1422512 is an abundant number, since it is smaller than the sum of its proper divisors (1973104).

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

1422512 is a wasteful number, since it uses less digits than its factorization.

1422512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005 (or 999 counting only the distinct ones).

The product of its digits is 160, while the sum is 17.

The square root of 1422512 is about 1192.6910748387. The cubic root of 1422512 is about 112.4653259396.

Adding to 1422512 its reverse (2152241), we get a palindrome (3574753).

The spelling of 1422512 in words is "one million, four hundred twenty-two thousand, five hundred twelve".