266223741 has 16 divisors (see below), whose sum is σ = 419664000. Its totient is φ = 146881728.

The previous prime is 266223733. The next prime is 266223767. The reversal of 266223741 is 147322662.

It is not a de Polignac number, because 266223741 - 2³ = 266223733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266223731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217966 + ... + 219183.

It is an arithmetic number, because the mean of its divisors is an integer number (26229000).

Almost surely, 2^266223741 is an apocalyptic number.

266223741 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

266223741 is a deficient number, since it is larger than the sum of its proper divisors (153440259).

266223741 is a wasteful number, since it uses less digits than its factorization.

266223741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437188.

The product of its digits is 24192, while the sum is 33.

The square root of 266223741 is about 16316.3642089774. The cubic root of 266223741 is about 643.3030255588.

It can be divided in two parts, 2662237 and 41, that added together give a triangular number (2662278 = T₂₃₀₇).

The spelling of 266223741 in words is "two hundred sixty-six million, two hundred twenty-three thousand, seven hundred forty-one".