2221344401242 has 32 divisors (see below), whose sum is σ = 3403068163200. Its totient is φ = 1087091748288.

The previous prime is 2221344401233. The next prime is 2221344401251. The reversal of 2221344401242 is 2421044431222.

It is an interprime number because it is at equal distance from previous prime (2221344401233) and next prime (2221344401251).

It is a super-2 number, since 2×2221344401242² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108937984 + ... + 108958372.

It is an arithmetic number, because the mean of its divisors is an integer number (106345880100).

Almost surely, 2^{2221344401242} is an apocalyptic number.

2221344401242 is a deficient number, since it is larger than the sum of its proper divisors (1181723761958).

2221344401242 is a wasteful number, since it uses less digits than its factorization.

2221344401242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22870.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 2221344401242 its reverse (2421044431222), we get a palindrome (4642388832464).

The spelling of 2221344401242 in words is "two trillion, two hundred twenty-one billion, three hundred forty-four million, four hundred one thousand, two hundred forty-two".