1422210144 has 96 divisors (see below), whose sum is σ = 3848173056. Its totient is φ = 459578880.

The previous prime is 1422210077. The next prime is 1422210149. The reversal of 1422210144 is 4410122241.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 1422210144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422210149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1303039 + ... + 1304129.

It is an arithmetic number, because the mean of its divisors is an integer number (40085136).

Almost surely, 2^1422210144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1422210144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1924086528).

1422210144 is an abundant number, since it is smaller than the sum of its proper divisors (2425962912).

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

1422210144 is a wasteful number, since it uses less digits than its factorization.

1422210144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508 (or 1500 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1422210144 is about 37712.2015268268. The cubic root of 1422210144 is about 1124.5737035702.

Adding to 1422210144 its reverse (4410122241), we get a palindrome (5832332385).

The spelling of 1422210144 in words is "one billion, four hundred twenty-two million, two hundred ten thousand, one hundred forty-four".