223421266165426 has 16 divisors (see below), whose sum is σ = 383094754519680. Its totient is φ = 95730253797600.

The previous prime is 223421266165351. The next prime is 223421266165441. The reversal of 223421266165426 is 624561662124322.

It is a super-2 number, since 2×223421266165426² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1809720750 + ... + 1809844201.

It is an arithmetic number, because the mean of its divisors is an integer number (23943422157480).

Almost surely, 2^{223421266165426} is an apocalyptic number.

223421266165426 is a deficient number, since it is larger than the sum of its proper divisors (159673488354254).

223421266165426 is a wasteful number, since it uses less digits than its factorization.

223421266165426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3619569369.

The product of its digits is 9953280, while the sum is 52.

The spelling of 223421266165426 in words is "two hundred twenty-three trillion, four hundred twenty-one billion, two hundred sixty-six million, one hundred sixty-five thousand, four hundred twenty-six".