1422221401402 has 16 divisors (see below), whose sum is σ = 2138861832192. Its totient is φ = 709267719600.

The previous prime is 1422221401333. The next prime is 1422221401409. The reversal of 1422221401402 is 2041041222241.

It is not an unprimeable number, because it can be changed into a prime (1422221401409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12289903 + ... + 12405085.

It is an arithmetic number, because the mean of its divisors is an integer number (133678864512).

Almost surely, 2^{1422221401402} is an apocalyptic number.

1422221401402 is a deficient number, since it is larger than the sum of its proper divisors (716640430790).

1422221401402 is a wasteful number, since it uses less digits than its factorization.

1422221401402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131133.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 1422221401402 its reverse (2041041222241), we get a palindrome (3463262623643).

The spelling of 1422221401402 in words is "one trillion, four hundred twenty-two billion, two hundred twenty-one million, four hundred one thousand, four hundred two".