22021231002202 has 64 divisors (see below), whose sum is σ = 34318974412800. Its totient is φ = 10590898651200.

The previous prime is 22021231002167. The next prime is 22021231002217. The reversal of 22021231002202 is 20220013212022.

It is a super-2 number, since 2×22021231002202² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22021231002202.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1279774683 + ... + 1279791889.

It is an arithmetic number, because the mean of its divisors is an integer number (536233975200).

Almost surely, 2^{22021231002202} is an apocalyptic number.

22021231002202 is a deficient number, since it is larger than the sum of its proper divisors (12297743410598).

22021231002202 is a wasteful number, since it uses less digits than its factorization.

22021231002202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18251.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22021231002202 its reverse (20220013212022), we get a palindrome (42241244214224).

The spelling of 22021231002202 in words is "twenty-two trillion, twenty-one billion, two hundred thirty-one million, two thousand, two hundred two".