1642325222 has 8 divisors (see below), whose sum is σ = 2608398936. Its totient is φ = 772858912.

The previous prime is 1642325221. The next prime is 1642325231. The reversal of 1642325222 is 2225232461.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1642325221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24151808 + ... + 24151875.

It is an arithmetic number, because the mean of its divisors is an integer number (326049867).

Almost surely, 2^1642325222 is an apocalyptic number.

1642325222 is a deficient number, since it is larger than the sum of its proper divisors (966073714).

1642325222 is a wasteful number, since it uses less digits than its factorization.

1642325222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48303702.

The product of its digits is 11520, while the sum is 29.

The square root of 1642325222 is about 40525.6119262868. The cubic root of 1642325222 is about 1179.8307767480.

Adding to 1642325222 its reverse (2225232461), we get a palindrome (3867557683).

The spelling of 1642325222 in words is "one billion, six hundred forty-two million, three hundred twenty-five thousand, two hundred twenty-two".