1422448 has 10 divisors (see below), whose sum is σ = 2756024. Its totient is φ = 711216.

The previous prime is 1422439. The next prime is 1422461. The reversal of 1422448 is 8442241.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44436 + ... + 44467.

2^1422448 is an apocalyptic number.

It is an amenable number.

1422448 is a deficient number, since it is larger than the sum of its proper divisors (1333576).

1422448 is an equidigital number, since it uses as much as digits as its factorization.

1422448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88911 (or 88905 counting only the distinct ones).

The product of its digits is 2048, while the sum is 25.

The square root of 1422448 is about 1192.6642444544. The cubic root of 1422448 is about 112.4636392781.

Adding to 1422448 its reverse (8442241), we get a palindrome (9864689).

The spelling of 1422448 in words is "one million, four hundred twenty-two thousand, four hundred forty-eight".