1401121822 has 16 divisors (see below), whose sum is σ = 2134384272. Its totient is φ = 689673600.

The previous prime is 1401121811. The next prime is 1401121829. The reversal of 1401121822 is 2281211041.

It is a junction number, because it is equal to n+sod(n) for n = 1401121793 and 1401121802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401121829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373468 + ... + 377200.

It is an arithmetic number, because the mean of its divisors is an integer number (133399017).

Almost surely, 2^1401121822 is an apocalyptic number.

1401121822 is a deficient number, since it is larger than the sum of its proper divisors (733262450).

1401121822 is a wasteful number, since it uses less digits than its factorization.

1401121822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6603.

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 1401121822 is about 37431.5618429154. The cubic root of 1401121822 is about 1118.9876646558.

Adding to 1401121822 its reverse (2281211041), we get a palindrome (3682332863).

The spelling of 1401121822 in words is "one billion, four hundred one million, one hundred twenty-one thousand, eight hundred twenty-two".