1022321551252 has 48 divisors (see below), whose sum is σ = 1847794152960. Its totient is φ = 494543878272.

The previous prime is 1022321551241. The next prime is 1022321551253. The reversal of 1022321551252 is 2521551232201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022321551253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20036958 + ... + 20087914.

It is an arithmetic number, because the mean of its divisors is an integer number (38495711520).

Almost surely, 2^{1022321551252} is an apocalyptic number.

It is an amenable number.

1022321551252 is a deficient number, since it is larger than the sum of its proper divisors (825472601708).

1022321551252 is a wasteful number, since it uses less digits than its factorization.

1022321551252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51760 (or 51758 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 1022321551252 its reverse (2521551232201), we get a palindrome (3543872783453).

The spelling of 1022321551252 in words is "one trillion, twenty-two billion, three hundred twenty-one million, five hundred fifty-one thousand, two hundred fifty-two".