1401422044 has 24 divisors (see below), whose sum is σ = 2720793600. Its totient is φ = 626212080.

The previous prime is 1401421999. The next prime is 1401422093. The reversal of 1401422044 is 4402241041.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267324 + ... + 272515.

It is an arithmetic number, because the mean of its divisors is an integer number (113366400).

Almost surely, 2^1401422044 is an apocalyptic number.

It is an amenable number.

1401422044 is a deficient number, since it is larger than the sum of its proper divisors (1319371556).

1401422044 is a wasteful number, since it uses less digits than its factorization.

1401422044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539913 (or 539911 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1401422044 is about 37435.5719069443. The cubic root of 1401422044 is about 1119.0675817426.

Adding to 1401422044 its reverse (4402241041), we get a palindrome (5803663085).

The spelling of 1401422044 in words is "one billion, four hundred one million, four hundred twenty-two thousand, forty-four".