22061011 has 4 divisors (see below), whose sum is σ = 25212592. Its totient is φ = 18909432.

The previous prime is 22061009. The next prime is 22061027. The reversal of 22061011 is 11016022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22061011 - 2¹ = 22061009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22060982 and 22061000.

It is not an unprimeable number, because it can be changed into a prime (22061041) 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, 1575780 + ... + 1575793.

It is an arithmetic number, because the mean of its divisors is an integer number (6303148).

Almost surely, 2^22061011 is an apocalyptic number.

22061011 is a deficient number, since it is larger than the sum of its proper divisors (3151581).

22061011 is an equidigital number, since it uses as much as digits as its factorization.

22061011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151580.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 22061011 is about 4696.9150513928. The cubic root of 22061011 is about 280.4627170535.

Adding to 22061011 its reverse (11016022), we get a palindrome (33077033).

The spelling of 22061011 in words is "twenty-two million, sixty-one thousand, eleven".