1022231211442 has 12 divisors (see below), whose sum is σ = 1783689154830. Its totient is φ = 438099090576.

The previous prime is 1022231211341. The next prime is 1022231211457. The reversal of 1022231211442 is 2441121322201.

It can be written as a sum of positive squares in only one way, i.e., 1012863100921 + 9368110521 = 1006411^2 + 96789^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5215465267 + ... + 5215465462.

Almost surely, 2^{1022231211442} is an apocalyptic number.

1022231211442 is a deficient number, since it is larger than the sum of its proper divisors (761457943388).

1022231211442 is a wasteful number, since it uses less digits than its factorization.

1022231211442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10430930745 (or 10430930738 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 1022231211442 its reverse (2441121322201), we get a palindrome (3463352533643).

The spelling of 1022231211442 in words is "one trillion, twenty-two billion, two hundred thirty-one million, two hundred eleven thousand, four hundred forty-two".