22142011 has 8 divisors (see below), whose sum is σ = 23515920. Its totient is φ = 20788992.

The previous prime is 22141981. The next prime is 22142023. The reversal of 22142011 is 11024122.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22142011 - 2²³ = 13753403 is a prime.

It is a super-2 number, since 2×22142011² = 980537302248242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22141982 and 22142000.

It is not an unprimeable number, because it can be changed into a prime (22142111) 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, 3010 + ... + 7303.

It is an arithmetic number, because the mean of its divisors is an integer number (2939490).

Almost surely, 2^22142011 is an apocalyptic number.

22142011 is a deficient number, since it is larger than the sum of its proper divisors (1373909).

22142011 is a wasteful number, since it uses less digits than its factorization.

22142011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10445.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 22142011 is about 4705.5298320168. The cubic root of 22142011 is about 280.8055501361.

Adding to 22142011 its reverse (11024122), we get a palindrome (33166133).

It can be divided in two parts, 2214 and 2011, that added together give a square (4225 = 65²).

The spelling of 22142011 in words is "twenty-two million, one hundred forty-two thousand, eleven".