22361668 has 24 divisors (see below), whose sum is σ = 46267200. Its totient is φ = 9252768.

The previous prime is 22361657. The next prime is 22361671. The reversal of 22361668 is 86616322.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12958 + ... + 14581.

It is an arithmetic number, because the mean of its divisors is an integer number (1927800).

Almost surely, 2^22361668 is an apocalyptic number.

22361668 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

22361668 is an abundant number, since it is smaller than the sum of its proper divisors (23905532).

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

22361668 is a wasteful number, since it uses less digits than its factorization.

22361668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27579 (or 27577 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 22361668 is about 4728.8125359333. The cubic root of 22361668 is about 281.7310616086.

The spelling of 22361668 in words is "twenty-two million, three hundred sixty-one thousand, six hundred sixty-eight".