1422000144 has 40 divisors (see below), whose sum is σ = 4081668320. Its totient is φ = 473999904.

The previous prime is 1422000133. The next prime is 1422000179. The reversal of 1422000144 is 4410002241.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1645402 + ... + 1646265.

It is an arithmetic number, because the mean of its divisors is an integer number (102041708).

Almost surely, 2^1422000144 is an apocalyptic number.

It is an amenable number.

1422000144 is an abundant number, since it is smaller than the sum of its proper divisors (2659668176).

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

1422000144 is a wasteful number, since it uses less digits than its factorization.

1422000144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3291684 (or 3291672 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1422000144 is about 37709.4171792670. The cubic root of 1422000144 is about 1124.5183502637.

Adding to 1422000144 its reverse (4410002241), we get a palindrome (5832002385).

The spelling of 1422000144 in words is "one billion, four hundred twenty-two million, one hundred forty-four", and thus it is an aban number.