1422473 has 12 divisors (see below), whose sum is σ = 1625040. Its totient is φ = 1241136.

The previous prime is 1422469. The next prime is 1422493. The reversal of 1422473 is 3742241.

It is not a de Polignac number, because 1422473 - 2² = 1422469 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (1422433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2990 + ... + 3432.

It is an arithmetic number, because the mean of its divisors is an integer number (135420).

2^1422473 is an apocalyptic number.

1422473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1422473 is a deficient number, since it is larger than the sum of its proper divisors (202567).

1422473 is a wasteful number, since it uses less digits than its factorization.

1422473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 475 counting only the distinct ones).

The product of its digits is 1344, while the sum is 23.

The square root of 1422473 is about 1192.6747251451. The cubic root of 1422473 is about 112.4642981362.

The spelling of 1422473 in words is "one million, four hundred twenty-two thousand, four hundred seventy-three".