22142141 has 8 divisors (see below), whose sum is σ = 25652544. Its totient is φ = 18718560.

The previous prime is 22142117. The next prime is 22142147. The reversal of 22142141 is 14124122.

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

It is not a de Polignac number, because 22142141 - 2¹⁰ = 22141117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22142147) 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, 21155 + ... + 22176.

It is an arithmetic number, because the mean of its divisors is an integer number (3206568).

Almost surely, 2^22142141 is an apocalyptic number.

It is an amenable number.

22142141 is a deficient number, since it is larger than the sum of its proper divisors (3510403).

22142141 is an equidigital number, since it uses as much as digits as its factorization.

22142141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43411.

The product of its digits is 128, while the sum is 17.

The square root of 22142141 is about 4705.5436455313. The cubic root of 22142141 is about 280.8060996895.

Adding to 22142141 its reverse (14124122), we get a palindrome (36266263).

The spelling of 22142141 in words is "twenty-two million, one hundred forty-two thousand, one hundred forty-one".