2221320040402 has 8 divisors (see below), whose sum is σ = 3332003366016. Its totient is φ = 1110652251732.

The previous prime is 2221320040283. The next prime is 2221320040403. The reversal of 2221320040402 is 2040400231222.

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

It is not an unprimeable number, because it can be changed into a prime (2221320040403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3519978 + ... + 4102789.

It is an arithmetic number, because the mean of its divisors is an integer number (416500420752).

Almost surely, 2^{2221320040402} is an apocalyptic number.

2221320040402 is a deficient number, since it is larger than the sum of its proper divisors (1110683325614).

2221320040402 is a wasteful number, since it uses less digits than its factorization.

2221320040402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7768472.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 2221320040402 its reverse (2040400231222), we get a palindrome (4261720271624).

The spelling of 2221320040402 in words is "two trillion, two hundred twenty-one billion, three hundred twenty million, forty thousand, four hundred two".