22230587 has 4 divisors (see below), whose sum is σ = 22258296. Its totient is φ = 22202880.

The previous prime is 22230583. The next prime is 22230619. The reversal of 22230587 is 78503222.

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 22230587 - 2² = 22230583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22230583) 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, 12614 + ... + 14267.

It is an arithmetic number, because the mean of its divisors is an integer number (5564574).

Almost surely, 2^22230587 is an apocalyptic number.

22230587 is a deficient number, since it is larger than the sum of its proper divisors (27709).

22230587 is an equidigital number, since it uses as much as digits as its factorization.

22230587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27708.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 22230587 is about 4714.9323430989. The cubic root of 22230587 is about 281.1794929762.

The spelling of 22230587 in words is "twenty-two million, two hundred thirty thousand, five hundred eighty-seven".