1353222551252 has 24 divisors (see below), whose sum is σ = 2782149861792. Its totient is φ = 567785685600.

The previous prime is 1353222551179. The next prime is 1353222551267. The reversal of 1353222551252 is 2521552223531.

It is a super-2 number, since 2×1353222551252² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1182886274 + ... + 1182887417.

It is an arithmetic number, because the mean of its divisors is an integer number (115922910908).

Almost surely, 2^{1353222551252} is an apocalyptic number.

It is an amenable number.

1353222551252 is an abundant number, since it is smaller than the sum of its proper divisors (1428927310540).

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

1353222551252 is a wasteful number, since it uses less digits than its factorization.

1353222551252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365773719 (or 2365773717 counting only the distinct ones).

The product of its digits is 180000, while the sum is 38.

Adding to 1353222551252 its reverse (2521552223531), we get a palindrome (3874774774783).

The spelling of 1353222551252 in words is "one trillion, three hundred fifty-three billion, two hundred twenty-two million, five hundred fifty-one thousand, two hundred fifty-two".