266400022 has 8 divisors (see below), whose sum is σ = 456685776. Its totient is φ = 114171432.

The previous prime is 266399999. The next prime is 266400031. The reversal of 266400022 is 220004662.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 266399966 and 266400002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9514273 + ... + 9514300.

It is an arithmetic number, because the mean of its divisors is an integer number (57085722).

Almost surely, 2^266400022 is an apocalyptic number.

266400022 is a deficient number, since it is larger than the sum of its proper divisors (190285754).

266400022 is a wasteful number, since it uses less digits than its factorization.

266400022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19028582.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 266400022 is about 16321.7652844293. The cubic root of 266400022 is about 643.4449826955. Note that the first 3 decimals are identical.

Adding to 266400022 its reverse (220004662), we get a palindrome (486404684).

The spelling of 266400022 in words is "two hundred sixty-six million, four hundred thousand, twenty-two".