22402242242021 has 32 divisors (see below), whose sum is σ = 25251043680000. Its totient is φ = 19748711043072.

The previous prime is 22402242241961. The next prime is 22402242242033. The reversal of 22402242242021 is 12024224220422.

It is a cyclic number.

It is not a de Polignac number, because 22402242242021 - 2¹⁰ = 22402242240997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22402242242041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 478585400 + ... + 478632206.

It is an arithmetic number, because the mean of its divisors is an integer number (789095115000).

Almost surely, 2^{22402242242021} is an apocalyptic number.

It is an amenable number.

22402242242021 is a deficient number, since it is larger than the sum of its proper divisors (2848801437979).

22402242242021 is a wasteful number, since it uses less digits than its factorization.

22402242242021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63581.

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 22402242242021 its reverse (12024224220422), we get a palindrome (34426466462443).

The spelling of 22402242242021 in words is "twenty-two trillion, four hundred two billion, two hundred forty-two million, two hundred forty-two thousand, twenty-one".