1422604 has 6 divisors (see below), whose sum is σ = 2489564. Its totient is φ = 711300.

The previous prime is 1422601. The next prime is 1422637. The reversal of 1422604 is 4062241.

It is not an unprimeable number, because it can be changed into a prime (1422601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177822 + ... + 177829.

2^1422604 is an apocalyptic number.

It is an amenable number.

1422604 is a deficient number, since it is larger than the sum of its proper divisors (1066960).

1422604 is a wasteful number, since it uses less digits than its factorization.

1422604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355655 (or 355653 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1422604 is about 1192.7296424588. The cubic root of 1422604 is about 112.4677504269.

Adding to 1422604 its reverse (4062241), we get a palindrome (5484845).

The spelling of 1422604 in words is "one million, four hundred twenty-two thousand, six hundred four".