1440101422 has 4 divisors (see below), whose sum is σ = 2160152136. Its totient is φ = 720050710.

The previous prime is 1440101413. The next prime is 1440101437. The reversal of 1440101422 is 2241010441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2241010441 = 199 ⋅11261359.

It is a self number, because there is not a number n which added to its sum of digits gives 1440101422.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360025354 + ... + 360025357.

It is an arithmetic number, because the mean of its divisors is an integer number (540038034).

Almost surely, 2^1440101422 is an apocalyptic number.

1440101422 is a deficient number, since it is larger than the sum of its proper divisors (720050714).

1440101422 is an equidigital number, since it uses as much as digits as its factorization.

1440101422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720050713.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1440101422 is about 37948.6682506778. The cubic root of 1440101422 is about 1129.2697456338.

Adding to 1440101422 its reverse (2241010441), we get a palindrome (3681111863).

The spelling of 1440101422 in words is "one billion, four hundred forty million, one hundred one thousand, four hundred twenty-two".