266622402 has 32 divisors (see below), whose sum is σ = 562072320. Its totient is φ = 84082320.

The previous prime is 266622379. The next prime is 266622409. The reversal of 266622402 is 204226662.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 266622402.

It is not an unprimeable number, because it can be changed into a prime (266622409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131577 + ... + 133587.

It is an arithmetic number, because the mean of its divisors is an integer number (17564760).

Almost surely, 2^266622402 is an apocalyptic number.

266622402 is an abundant number, since it is smaller than the sum of its proper divisors (295449918).

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

266622402 is a wasteful number, since it uses less digits than its factorization.

266622402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3198.

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 266622402 is about 16328.5762392194. The cubic root of 266622402 is about 643.6239735449.

The spelling of 266622402 in words is "two hundred sixty-six million, six hundred twenty-two thousand, four hundred two".