22640063 has 8 divisors (see below), whose sum is σ = 23284800. Its totient is φ = 22003488.

The previous prime is 22640053. The next prime is 22640083. The reversal of 22640063 is 36004622.

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 22640063 - 2¹² = 22635967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22640053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3818 + ... + 7736.

It is an arithmetic number, because the mean of its divisors is an integer number (2910600).

Almost surely, 2^22640063 is an apocalyptic number.

22640063 is a deficient number, since it is larger than the sum of its proper divisors (644737).

22640063 is a wasteful number, since it uses less digits than its factorization.

22640063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4081.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 22640063 is about 4758.1575215623. The cubic root of 22640063 is about 282.8953943367.

Adding to 22640063 its reverse (36004622), we get a palindrome (58644685).

The spelling of 22640063 in words is "twenty-two million, six hundred forty thousand, sixty-three".