22230511 has 4 divisors (see below), whose sum is σ = 22258800. Its totient is φ = 22202224.

The previous prime is 22230497. The next prime is 22230517. The reversal of 22230511 is 11503222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11503222 = 2 ⋅5751611.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22230511 is a prime.

It is a super-2 number, since 2×22230511² = 988391238642242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22230517) 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, 12931 + ... + 14548.

It is an arithmetic number, because the mean of its divisors is an integer number (5564700).

Almost surely, 2^22230511 is an apocalyptic number.

22230511 is a deficient number, since it is larger than the sum of its proper divisors (28289).

22230511 is an equidigital number, since it uses as much as digits as its factorization.

22230511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28288.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 22230511 is about 4714.9242835914. The cubic root of 22230511 is about 281.1791725518.

Adding to 22230511 its reverse (11503222), we get a palindrome (33733733).

The spelling of 22230511 in words is "twenty-two million, two hundred thirty thousand, five hundred eleven".