1422111000 has 64 divisors (see below), whose sum is σ = 4436995680. Its totient is φ = 379228800.

The previous prime is 1422110971. The next prime is 1422111001. The reversal of 1422111000 is 1112241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422111001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234019 + ... + 240018.

Almost surely, 2^1422111000 is an apocalyptic number.

1422111000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422111000 is an abundant number, since it is smaller than the sum of its proper divisors (3014884680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1422111000 is a wasteful number, since it uses less digits than its factorization.

1422111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474061 (or 474047 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1422111000 is about 37710.8870221850. The cubic root of 1422111000 is about 1124.5475711625.

Adding to 1422111000 its reverse (1112241), we get a palindrome (1423223241).

The spelling of 1422111000 in words is "one billion, four hundred twenty-two million, one hundred eleven thousand".