22331422002 has 64 divisors (see below), whose sum is σ = 47345495040. Its totient is φ = 7013324736.

The previous prime is 22331421977. The next prime is 22331422013. The reversal of 22331422002 is 20022413322.

It is a self number, because there is not a number n which added to its sum of digits gives 22331422002.

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 31 ways as a sum of consecutive naturals, for example, 864843 + ... + 890289.

It is an arithmetic number, because the mean of its divisors is an integer number (739773360).

Almost surely, 2^22331422002 is an apocalyptic number.

22331422002 is an abundant number, since it is smaller than the sum of its proper divisors (25014073038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22331422002 is a wasteful number, since it uses less digits than its factorization.

22331422002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25615.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22331422002 its reverse (20022413322), we get a palindrome (42353835324).

The spelling of 22331422002 in words is "twenty-two billion, three hundred thirty-one million, four hundred twenty-two thousand, two".