1022451105442 has 16 divisors (see below), whose sum is σ = 1652044185792. Its totient is φ = 471788395920.

The previous prime is 1022451105437. The next prime is 1022451105443. The reversal of 1022451105442 is 2445011542201.

It is not an unprimeable number, because it can be changed into a prime (1022451105443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4559838 + ... + 4778809.

It is an arithmetic number, because the mean of its divisors is an integer number (103252761612).

Almost surely, 2^{1022451105442} is an apocalyptic number.

1022451105442 is a deficient number, since it is larger than the sum of its proper divisors (629593080350).

1022451105442 is a wasteful number, since it uses less digits than its factorization.

1022451105442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9342873.

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 1022451105442 its reverse (2445011542201), we get a palindrome (3467462647643).

The spelling of 1022451105442 in words is "one trillion, twenty-two billion, four hundred fifty-one million, one hundred five thousand, four hundred forty-two".