22213662 has 16 divisors (see below), whose sum is σ = 47040912. Its totient is φ = 6968960.

The previous prime is 22213661. The next prime is 22213663. The reversal of 22213662 is 26631222.

It is an interprime number because it is at equal distance from previous prime (22213661) and next prime (22213663).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22213661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108789 + ... + 108992.

It is an arithmetic number, because the mean of its divisors is an integer number (2940057).

Almost surely, 2^22213662 is an apocalyptic number.

22213662 is an abundant number, since it is smaller than the sum of its proper divisors (24827250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22213662 is a wasteful number, since it uses less digits than its factorization.

22213662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217803.

The product of its digits is 1728, while the sum is 24.

The square root of 22213662 is about 4713.1371717785. The cubic root of 22213662 is about 281.1081172757.

Adding to 22213662 its reverse (26631222), we get a palindrome (48844884).

The spelling of 22213662 in words is "twenty-two million, two hundred thirteen thousand, six hundred sixty-two".