22042011 has 8 divisors (see below), whose sum is σ = 29944080. Its totient is φ = 14417312.

The previous prime is 22042003. The next prime is 22042019. The reversal of 22042011 is 11024022.

It is an interprime number because it is at equal distance from previous prime (22042003) and next prime (22042019).

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 22042011 - 2³ = 22042003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22042019) 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, 69156 + ... + 69473.

It is an arithmetic number, because the mean of its divisors is an integer number (3743010).

Almost surely, 2^22042011 is an apocalyptic number.

22042011 is a deficient number, since it is larger than the sum of its proper divisors (7902069).

22042011 is a wasteful number, since it uses less digits than its factorization.

22042011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138685.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 22042011 is about 4694.8920115376. The cubic root of 22042011 is about 280.3821779498.

Adding to 22042011 its reverse (11024022), we get a palindrome (33066033).

The spelling of 22042011 in words is "twenty-two million, forty-two thousand, eleven".