22130412 has 12 divisors (see below), whose sum is σ = 51637656. Its totient is φ = 7376800.

The previous prime is 22130411. The next prime is 22130431. The reversal of 22130412 is 21403122.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×22130412³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22130391 and 22130400.

It is not an unprimeable number, because it can be changed into a prime (22130411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 922089 + ... + 922112.

It is an arithmetic number, because the mean of its divisors is an integer number (4303138).

Almost surely, 2^22130412 is an apocalyptic number.

It is an amenable number.

22130412 is an abundant number, since it is smaller than the sum of its proper divisors (29507244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22130412 is a wasteful number, since it uses less digits than its factorization.

22130412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844208 (or 1844206 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 22130412 is about 4704.2971844899. The cubic root of 22130412 is about 280.7565086334.

Adding to 22130412 its reverse (21403122), we get a palindrome (43533534).

The spelling of 22130412 in words is "twenty-two million, one hundred thirty thousand, four hundred twelve".