20221451024422 has 16 divisors (see below), whose sum is σ = 30338321997312. Its totient is φ = 10108677196800.

The previous prime is 20221451024407. The next prime is 20221451024459. The reversal of 20221451024422 is 22442015412202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440023398 + ... + 440069350.

It is an arithmetic number, because the mean of its divisors is an integer number (1896145124832).

Almost surely, 2^{20221451024422} is an apocalyptic number.

20221451024422 is a deficient number, since it is larger than the sum of its proper divisors (10116870972890).

20221451024422 is a wasteful number, since it uses less digits than its factorization.

20221451024422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85743.

The product of its (nonzero) digits is 20480, while the sum is 31.

Adding to 20221451024422 its reverse (22442015412202), we get a palindrome (42663466436624).

The spelling of 20221451024422 in words is "twenty trillion, two hundred twenty-one billion, four hundred fifty-one million, twenty-four thousand, four hundred twenty-two".