22443421321131 has 16 divisors (see below), whose sum is σ = 31044138550560. Its totient is φ = 14405415664640.

The previous prime is 22443421321103. The next prime is 22443421321241. The reversal of 22443421321131 is 13112312434422.

It is a cyclic number.

It is not a de Polignac number, because 22443421321131 - 2¹⁹ = 22443420796843 is a prime.

It is a super-2 number, since 2×22443421321131² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22443421321092 and 22443421321101.

It is not an unprimeable number, because it can be changed into a prime (22443421321331) 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, 365366400 + ... + 365427821.

It is an arithmetic number, because the mean of its divisors is an integer number (1940258659410).

Almost surely, 2^{22443421321131} is an apocalyptic number.

22443421321131 is a deficient number, since it is larger than the sum of its proper divisors (8600717229429).

22443421321131 is a wasteful number, since it uses less digits than its factorization.

22443421321131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730794606.

The product of its digits is 27648, while the sum is 33.

Adding to 22443421321131 its reverse (13112312434422), we get a palindrome (35555733755553).

The spelling of 22443421321131 in words is "twenty-two trillion, four hundred forty-three billion, four hundred twenty-one million, three hundred twenty-one thousand, one hundred thirty-one".