1022233021542 has 24 divisors (see below), whose sum is σ = 2215162618344. Its totient is φ = 340694432064.

The previous prime is 1022233021531. The next prime is 1022233021547. The reversal of 1022233021542 is 2451203322201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022233021547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4032628 + ... + 4278615.

It is an arithmetic number, because the mean of its divisors is an integer number (92298442431).

Almost surely, 2^{1022233021542} is an apocalyptic number.

1022233021542 is an abundant number, since it is smaller than the sum of its proper divisors (1192929596802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022233021542 is a wasteful number, since it uses less digits than its factorization.

1022233021542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8318084 (or 8318081 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 1022233021542 its reverse (2451203322201), we get a palindrome (3473436343743).

The spelling of 1022233021542 in words is "one trillion, twenty-two billion, two hundred thirty-three million, twenty-one thousand, five hundred forty-two".