1422454 has 32 divisors (see below), whose sum is σ = 2540160. Its totient is φ = 590400.

The previous prime is 1422439. The next prime is 1422461. The reversal of 1422454 is 4542241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17097 + ... + 17179.

It is an arithmetic number, because the mean of its divisors is an integer number (79380).

2^1422454 is an apocalyptic number.

1422454 is a deficient number, since it is larger than the sum of its proper divisors (1117706).

1422454 is a wasteful number, since it uses less digits than its factorization.

1422454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156.

The product of its digits is 1280, while the sum is 22.

The square root of 1422454 is about 1192.6667598286. Note that the first 3 decimals coincide. The cubic root of 1422454 is about 112.4637974047.

Adding to 1422454 its reverse (4542241), we get a palindrome (5964695).

The spelling of 1422454 in words is "one million, four hundred twenty-two thousand, four hundred fifty-four".