1422044240 has 80 divisors (see below), whose sum is σ = 3366451200. Its totient is φ = 558544896.

The previous prime is 1422044233. The next prime is 1422044279. The reversal of 1422044240 is 424402241.

It is a tau number, because it is divible by the number of its divisors (80).

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, 1408856 + ... + 1409864.

It is an arithmetic number, because the mean of its divisors is an integer number (42080640).

Almost surely, 2^1422044240 is an apocalyptic number.

1422044240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422044240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1683225600).

1422044240 is an abundant number, since it is smaller than the sum of its proper divisors (1944406960).

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

1422044240 is a wasteful number, since it uses less digits than its factorization.

1422044240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324 (or 1318 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 1422044240 is about 37710.0018562715. The cubic root of 1422044240 is about 1124.5299738557.

Adding to 1422044240 its reverse (424402241), we get a palindrome (1846446481).

The spelling of 1422044240 in words is "one billion, four hundred twenty-two million, forty-four thousand, two hundred forty".