1401121222 has 16 divisors (see below), whose sum is σ = 2193971040. Its totient is φ = 669822912.

The previous prime is 1401121177. The next prime is 1401121273. The reversal of 1401121222 is 2221211041.

It is a junction number, because it is equal to n+sod(n) for n = 1401121196 and 1401121205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143818 + ... + 153250.

It is an arithmetic number, because the mean of its divisors is an integer number (137123190).

Almost surely, 2^1401121222 is an apocalyptic number.

1401121222 is a deficient number, since it is larger than the sum of its proper divisors (792849818).

1401121222 is a wasteful number, since it uses less digits than its factorization.

1401121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12687.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1401121222 is about 37431.5538282877. The cubic root of 1401121222 is about 1118.9875049284.

Adding to 1401121222 its reverse (2221211041), we get a palindrome (3622332263).

The spelling of 1401121222 in words is "one billion, four hundred one million, one hundred twenty-one thousand, two hundred twenty-two".