232220021132552 has 8 divisors (see below), whose sum is σ = 435412539623550. Its totient is φ = 116110010566272.

The previous prime is 232220021132531. The next prime is 232220021132609. The reversal of 232220021132552 is 255231120022232.

It can be written as a sum of positive squares in only one way, i.e., 118956235770436 + 113263785362116 = 10906706^2 + 10642546^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×232220021132552² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14513751320777 + ... + 14513751320792.

Almost surely, 2^{232220021132552} is an apocalyptic number.

It is an amenable number.

232220021132552 is a deficient number, since it is larger than the sum of its proper divisors (203192518490998).

232220021132552 is a wasteful number, since it uses less digits than its factorization.

232220021132552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29027502641575 (or 29027502641571 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 232220021132552 its reverse (255231120022232), we get a palindrome (487451141154784).

The spelling of 232220021132552 in words is "two hundred thirty-two trillion, two hundred twenty billion, twenty-one million, one hundred thirty-two thousand, five hundred fifty-two".