2221022342 has 64 divisors (see below), whose sum is σ = 4319723520. Its totient is φ = 831146400.

The previous prime is 2221022327. The next prime is 2221022351. The reversal of 2221022342 is 2432201222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 661913 + ... + 665259.

It is an arithmetic number, because the mean of its divisors is an integer number (67495680).

Almost surely, 2^2221022342 is an apocalyptic number.

2221022342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2221022342 is a deficient number, since it is larger than the sum of its proper divisors (2098701178).

2221022342 is a wasteful number, since it uses less digits than its factorization.

2221022342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3537.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2221022342 is about 47127.7237090866. The cubic root of 2221022342 is about 1304.7209694920.

Adding to 2221022342 its reverse (2432201222), we get a palindrome (4653223564).

The spelling of 2221022342 in words is "two billion, two hundred twenty-one million, twenty-two thousand, three hundred forty-two".