352223331 has 4 divisors (see below), whose sum is σ = 469631112. Its totient is φ = 234815552.

The previous prime is 352223327. The next prime is 352223341. The reversal of 352223331 is 133322253.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133322253 = 3 ⋅44440751.

It is a cyclic number.

It is not a de Polignac number, because 352223331 - 2² = 352223327 is a prime.

It is a super-2 number, since 2×352223331² = 248122549801471122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (352223341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58703886 + ... + 58703891.

It is an arithmetic number, because the mean of its divisors is an integer number (117407778).

Almost surely, 2^352223331 is an apocalyptic number.

352223331 is a deficient number, since it is larger than the sum of its proper divisors (117407781).

352223331 is a wasteful number, since it uses less digits than its factorization.

352223331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117407780.

The product of its digits is 3240, while the sum is 24.

The square root of 352223331 is about 18767.6138866932. The cubic root of 352223331 is about 706.2189605384.

Adding to 352223331 its reverse (133322253), we get a palindrome (485545584).

The spelling of 352223331 in words is "three hundred fifty-two million, two hundred twenty-three thousand, three hundred thirty-one".