1222022331554 has 16 divisors (see below), whose sum is σ = 1941084438048. Its totient is φ = 575002535232.

The previous prime is 1222022331553. The next prime is 1222022331589. The reversal of 1222022331554 is 4551332202221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222022331554.

It is not an unprimeable number, because it can be changed into a prime (1222022331553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1789784 + ... + 2376419.

It is an arithmetic number, because the mean of its divisors is an integer number (121317777378).

Almost surely, 2^{1222022331554} is an apocalyptic number.

1222022331554 is a deficient number, since it is larger than the sum of its proper divisors (719062106494).

1222022331554 is a wasteful number, since it uses less digits than its factorization.

1222022331554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4174849.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 1222022331554 its reverse (4551332202221), we get a palindrome (5773354533775).

The spelling of 1222022331554 in words is "one trillion, two hundred twenty-two billion, twenty-two million, three hundred thirty-one thousand, five hundred fifty-four".