22130142 has 8 divisors (see below), whose sum is σ = 44260296. Its totient is φ = 7376712.

The previous prime is 22130137. The next prime is 22130149. The reversal of 22130142 is 24103122.

It is a sphenic number, since it is the product of 3 distinct primes.

22130142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22130149) 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, 1844173 + ... + 1844184.

It is an arithmetic number, because the mean of its divisors is an integer number (5532537).

Almost surely, 2^22130142 is an apocalyptic number.

22130142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22130142 is a wasteful number, since it uses less digits than its factorization.

22130142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3688362.

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

The square root of 22130142 is about 4704.2684872358. The cubic root of 22130142 is about 280.7553668477.

Adding to 22130142 its reverse (24103122), we get a palindrome (46233264).

The spelling of 22130142 in words is "twenty-two million, one hundred thirty thousand, one hundred forty-two".