22030011 has 24 divisors (see below), whose sum is σ = 33971184. Its totient is φ = 13708800.

The previous prime is 22030007. The next prime is 22030031. The reversal of 22030011 is 11003022.

It is a happy number.

It is not a de Polignac number, because 22030011 - 2² = 22030007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 22029975 and 22030002.

It is not an unprimeable number, because it can be changed into a prime (22030031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20436 + ... + 21486.

It is an arithmetic number, because the mean of its divisors is an integer number (1415466).

Almost surely, 2^22030011 is an apocalyptic number.

22030011 is a deficient number, since it is larger than the sum of its proper divisors (11941173).

22030011 is a wasteful number, since it uses less digits than its factorization.

22030011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211 (or 1208 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 22030011 is about 4693.6138528856. The cubic root of 22030011 is about 280.3312872983.

Adding to 22030011 its reverse (11003022), we get a palindrome (33033033).

The spelling of 22030011 in words is "twenty-two million, thirty thousand, eleven".