22022663 has 4 divisors (see below), whose sum is σ = 23716728. Its totient is φ = 20328600.

The previous prime is 22022641. The next prime is 22022677. The reversal of 22022663 is 36622022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36622022 = 2 ⋅18311011.

It is a cyclic number.

It is not a de Polignac number, because 22022663 - 2¹⁰ = 22021639 is a prime.

It is a super-2 number, since 2×22022663² = 969995371223138, 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 (22022603) 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, 847013 + ... + 847038.

It is an arithmetic number, because the mean of its divisors is an integer number (5929182).

Almost surely, 2^22022663 is an apocalyptic number.

22022663 is a deficient number, since it is larger than the sum of its proper divisors (1694065).

22022663 is a wasteful number, since it uses less digits than its factorization.

22022663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694064.

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

The square root of 22022663 is about 4692.8310218886. The cubic root of 22022663 is about 280.3001161328.

Adding to 22022663 its reverse (36622022), we get a palindrome (58644685).

The spelling of 22022663 in words is "twenty-two million, twenty-two thousand, six hundred sixty-three".