352222406 has 4 divisors (see below), whose sum is σ = 528333612. Its totient is φ = 176111202.

The previous prime is 352222363. The next prime is 352222411. The reversal of 352222406 is 604222253.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 604222253 = 631 ⋅957563.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88055600 + ... + 88055603.

It is an arithmetic number, because the mean of its divisors is an integer number (132083403).

Almost surely, 2^352222406 is an apocalyptic number.

352222406 is a deficient number, since it is larger than the sum of its proper divisors (176111206).

352222406 is a wasteful number, since it uses less digits than its factorization.

352222406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176111205.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 352222406 is about 18767.5892431607. The cubic root of 352222406 is about 706.2183423197.

Adding to 352222406 its reverse (604222253), we get a palindrome (956444659).

The spelling of 352222406 in words is "three hundred fifty-two million, two hundred twenty-two thousand, four hundred six".