22150464666 has 32 divisors (see below), whose sum is σ = 48337855488. Its totient is φ = 6710933040.

The previous prime is 22150464641. The next prime is 22150464719. The reversal of 22150464666 is 66646405122.

It is a super-4 number, since 4×22150464666⁴ (a number of 42 digits) contains 4444 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 332991 + ... + 393933.

It is an arithmetic number, because the mean of its divisors is an integer number (1510557984).

Almost surely, 2^22150464666 is an apocalyptic number.

22150464666 is an abundant number, since it is smaller than the sum of its proper divisors (26187390822).

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

22150464666 is a wasteful number, since it uses less digits than its factorization.

22150464666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66466.

The product of its (nonzero) digits is 414720, while the sum is 42.

Adding to 22150464666 its reverse (66646405122), we get a palindrome (88796869788).

The spelling of 22150464666 in words is "twenty-two billion, one hundred fifty million, four hundred sixty-four thousand, six hundred sixty-six".