352225431 has 24 divisors (see below), whose sum is σ = 539411184. Its totient is φ = 220711680.

The previous prime is 352225429. The next prime is 352225451. The reversal of 352225431 is 134522253.

It is a happy number.

352225431 is a `hidden beast` number, since 3 + 5 + 2 + 225 + 431 = 666.

It is not a de Polignac number, because 352225431 - 2¹ = 352225429 is a prime.

It is a super-2 number, since 2×352225431² = 248125508486271522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 352225395 and 352225404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352225451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 210460 + ... + 212126.

It is an arithmetic number, because the mean of its divisors is an integer number (22475466).

Almost surely, 2^352225431 is an apocalyptic number.

352225431 is a deficient number, since it is larger than the sum of its proper divisors (187185753).

352225431 is a wasteful number, since it uses less digits than its factorization.

352225431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071 (or 3068 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 352225431 is about 18767.6698340524. The cubic root of 352225431 is about 706.2203640578.

Adding to 352225431 its reverse (134522253), we get a palindrome (486747684).

The spelling of 352225431 in words is "three hundred fifty-two million, two hundred twenty-five thousand, four hundred thirty-one".