1422290240 has 112 divisors (see below), whose sum is σ = 3884810112. Its totient is φ = 485861376.

The previous prime is 1422290173. The next prime is 1422290257. The reversal of 1422290240 is 420922241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

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 15 ways as a sum of consecutive naturals, for example, 709079 + ... + 711081.

Almost surely, 2^1422290240 is an apocalyptic number.

1422290240 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 1422290240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1942405056).

1422290240 is an abundant number, since it is smaller than the sum of its proper divisors (2462519872).

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

1422290240 is a wasteful number, since it uses less digits than its factorization.

1422290240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344 (or 2334 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1422290240 is about 37713.2634493490. The cubic root of 1422290240 is about 1124.5948144131.

The spelling of 1422290240 in words is "one billion, four hundred twenty-two million, two hundred ninety thousand, two hundred forty".