2222421398 has 32 divisors (see below), whose sum is σ = 3415102560. Its totient is φ = 1084518400.

The previous prime is 2222421379. The next prime is 2222421401. The reversal of 2222421398 is 8931242222.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5541998 + ... + 5542398.

It is an arithmetic number, because the mean of its divisors is an integer number (106721955).

Almost surely, 2^2222421398 is an apocalyptic number.

2222421398 is a deficient number, since it is larger than the sum of its proper divisors (1192681162).

2222421398 is a wasteful number, since it uses less digits than its factorization.

2222421398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832.

The product of its digits is 27648, while the sum is 35.

The square root of 2222421398 is about 47142.5646099149. The cubic root of 2222421398 is about 1304.9948665652.

The spelling of 2222421398 in words is "two billion, two hundred twenty-two million, four hundred twenty-one thousand, three hundred ninety-eight".