352223642 has 8 divisors (see below), whose sum is σ = 530663616. Its totient is φ = 175335772.

The previous prime is 352223611. The next prime is 352223659. The reversal of 352223642 is 246322253.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×352223642² = 248122987967488328, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387458 + ... + 388365.

It is an arithmetic number, because the mean of its divisors is an integer number (66332952).

Almost surely, 2^352223642 is an apocalyptic number.

352223642 is a deficient number, since it is larger than the sum of its proper divisors (178439974).

352223642 is a wasteful number, since it uses less digits than its factorization.

352223642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776052.

The product of its digits is 17280, while the sum is 29.

The square root of 352223642 is about 18767.6221722412. The cubic root of 352223642 is about 706.2191683933.

Adding to 352223642 its reverse (246322253), we get a palindrome (598545895).

The spelling of 352223642 in words is "three hundred fifty-two million, two hundred twenty-three thousand, six hundred forty-two".