352261223331 has 32 divisors (see below), whose sum is σ = 483808965120. Its totient is φ = 227894164224.

The previous prime is 352261223329. The next prime is 352261223341. The reversal of 352261223331 is 133322162253.

It is not a de Polignac number, because 352261223331 - 2¹ = 352261223329 is a prime.

It is a super-2 number, since 2×352261223331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 352261223292 and 352261223301.

It is not an unprimeable number, because it can be changed into a prime (352261223341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5748751 + ... + 5809703.

It is an arithmetic number, because the mean of its divisors is an integer number (15119030160).

Almost surely, 2^352261223331 is an apocalyptic number.

352261223331 is a deficient number, since it is larger than the sum of its proper divisors (131547741789).

352261223331 is a wasteful number, since it uses less digits than its factorization.

352261223331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61435.

The product of its digits is 38880, while the sum is 33.

Adding to 352261223331 its reverse (133322162253), we get a palindrome (485583385584).

The spelling of 352261223331 in words is "three hundred fifty-two billion, two hundred sixty-one million, two hundred twenty-three thousand, three hundred thirty-one".