22113430 has 16 divisors (see below), whose sum is σ = 42145920. Its totient is φ = 8324992.

The previous prime is 22113409. The next prime is 22113439. The reversal of 22113430 is 3431122.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22113439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64870 + ... + 65209.

It is an arithmetic number, because the mean of its divisors is an integer number (2634120).

Almost surely, 2^22113430 is an apocalyptic number.

22113430 is a deficient number, since it is larger than the sum of its proper divisors (20032490).

22113430 is a wasteful number, since it uses less digits than its factorization.

22113430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130103.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 22113430 is about 4702.4918926033. The cubic root of 22113430 is about 280.6846764553.

Adding to 22113430 its reverse (3431122), we get a palindrome (25544552).

The spelling of 22113430 in words is "twenty-two million, one hundred thirteen thousand, four hundred thirty".