1422044440 has 32 divisors (see below), whose sum is σ = 3201068160. Its totient is φ = 568556800.

The previous prime is 1422044423. The next prime is 1422044461. The reversal of 1422044440 is 444402241.

1422044440 = 9420² + 9421² + ... + 9435².

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 96780 + ... + 110500.

It is an arithmetic number, because the mean of its divisors is an integer number (100033380).

Almost surely, 2^1422044440 is an apocalyptic number.

1422044440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422044440 is an abundant number, since it is smaller than the sum of its proper divisors (1779023720).

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

1422044440 is a wasteful number, since it uses less digits than its factorization.

1422044440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16323 (or 16319 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 1422044440 is about 37710.0045080878. The cubic root of 1422044440 is about 1124.5300265746.

Adding to 1422044440 its reverse (444402241), we get a palindrome (1866446681).

The spelling of 1422044440 in words is "one billion, four hundred twenty-two million, forty-four thousand, four hundred forty".