1422051440 has 20 divisors (see below), whose sum is σ = 3306269784. Its totient is φ = 568820544.

The previous prime is 1422051439. The next prime is 1422051469. The reversal of 1422051440 is 441502241.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8887742 + ... + 8887901.

Almost surely, 2^1422051440 is an apocalyptic number.

1422051440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422051440 is an abundant number, since it is smaller than the sum of its proper divisors (1884218344).

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

1422051440 is a wasteful number, since it uses less digits than its factorization.

1422051440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17775656 (or 17775650 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1422051440 is about 37710.0973215398. The cubic root of 1422051440 is about 1124.5318717343.

Adding to 1422051440 its reverse (441502241), we get a palindrome (1863553681).

The spelling of 1422051440 in words is "one billion, four hundred twenty-two million, fifty-one thousand, four hundred forty".