22340220330021 has 16 divisors (see below), whose sum is σ = 32523048874560. Its totient is φ = 13527784581120.

The previous prime is 22340220330007. The next prime is 22340220330047. The reversal of 22340220330021 is 12003302204322.

It is not a de Polignac number, because 22340220330021 - 2⁶ = 22340220329957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22340220329973 and 22340220330000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22340220335021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 293533666 + ... + 293609763.

It is an arithmetic number, because the mean of its divisors is an integer number (2032690554660).

Almost surely, 2^{22340220330021} is an apocalyptic number.

It is an amenable number.

22340220330021 is a deficient number, since it is larger than the sum of its proper divisors (10182828544539).

22340220330021 is a wasteful number, since it uses less digits than its factorization.

22340220330021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587144596.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 22340220330021 its reverse (12003302204322), we get a palindrome (34343522534343).

The spelling of 22340220330021 in words is "twenty-two trillion, three hundred forty billion, two hundred twenty million, three hundred thirty thousand, twenty-one".