22002040226621 has 16 divisors (see below), whose sum is σ = 27097620614400. Its totient is φ = 17396516337408.

The previous prime is 22002040226611. The next prime is 22002040226693. The reversal of 22002040226621 is 12662204020022.

It is a de Polignac number, because none of the positive numbers 2^k-22002040226621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002040226611) 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 15 ways as a sum of consecutive naturals, for example, 81053441 + ... + 81324438.

It is an arithmetic number, because the mean of its divisors is an integer number (1693601288400).

Almost surely, 2^{22002040226621} is an apocalyptic number.

It is an amenable number.

22002040226621 is a deficient number, since it is larger than the sum of its proper divisors (5095580387779).

22002040226621 is a wasteful number, since it uses less digits than its factorization.

22002040226621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162379388.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 22002040226621 its reverse (12662204020022), we get a palindrome (34664244246643).

The spelling of 22002040226621 in words is "twenty-two trillion, two billion, forty million, two hundred twenty-six thousand, six hundred twenty-one".