352222906 has 64 divisors (see below), whose sum is σ = 643244544. Its totient is φ = 141523200.

The previous prime is 352222891. The next prime is 352222939. The reversal of 352222906 is 609222253.

It is a happy number.

It is a super-2 number, since 2×352222906² = 248121951022169672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2243380 + ... + 2243536.

It is an arithmetic number, because the mean of its divisors is an integer number (10050696).

Almost surely, 2^352222906 is an apocalyptic number.

352222906 is a deficient number, since it is larger than the sum of its proper divisors (291021638).

352222906 is a wasteful number, since it uses less digits than its factorization.

352222906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 352222906 is about 18767.6025639931. The cubic root of 352222906 is about 706.2186764921.

The spelling of 352222906 in words is "three hundred fifty-two million, two hundred twenty-two thousand, nine hundred six".