1422477 has 24 divisors (see below), whose sum is σ = 2390336. Its totient is φ = 798336.

The previous prime is 1422469. The next prime is 1422493. The reversal of 1422477 is 7742241.

It is a happy number.

It is not a de Polignac number, because 1422477 - 2³ = 1422469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1422477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4053 + ... + 4389.

2^1422477 is an apocalyptic number.

It is an amenable number.

1422477 is a deficient number, since it is larger than the sum of its proper divisors (967859).

1422477 is a wasteful number, since it uses less digits than its factorization.

1422477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 414 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 1422477 is about 1192.6764020471. The cubic root of 1422477 is about 112.4644035528.

The spelling of 1422477 in words is "one million, four hundred twenty-two thousand, four hundred seventy-seven".