22130404251 has 16 divisors (see below), whose sum is σ = 29679159840. Its totient is φ = 14667724800.

The previous prime is 22130404193. The next prime is 22130404259. The reversal of 22130404251 is 15240403122.

It is not a de Polignac number, because 22130404251 - 2¹⁰ = 22130403227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22130404259) 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, 954901 + ... + 977801.

It is an arithmetic number, because the mean of its divisors is an integer number (1854947490).

Almost surely, 2^22130404251 is an apocalyptic number.

22130404251 is a deficient number, since it is larger than the sum of its proper divisors (7548755589).

22130404251 is a wasteful number, since it uses less digits than its factorization.

22130404251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24766.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 22130404251 its reverse (15240403122), we get a palindrome (37370807373).

The spelling of 22130404251 in words is "twenty-two billion, one hundred thirty million, four hundred four thousand, two hundred fifty-one".