223296729446 has 16 divisors (see below), whose sum is σ = 384437293344. Its totient is φ = 95287873344.

The previous prime is 223296729437. The next prime is 223296729463. The reversal of 223296729446 is 644927692322.

It is a super-2 number, since 2×223296729446² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223296729391 and 223296729400.

It is a congruent number.

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, 34223705 + ... + 34230228.

It is an arithmetic number, because the mean of its divisors is an integer number (24027330834).

Almost surely, 2^223296729446 is an apocalyptic number.

223296729446 is a deficient number, since it is larger than the sum of its proper divisors (161140563898).

223296729446 is a wasteful number, since it uses less digits than its factorization.

223296729446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68454175.

The product of its digits is 15676416, while the sum is 56.

The spelling of 223296729446 in words is "two hundred twenty-three billion, two hundred ninety-six million, seven hundred twenty-nine thousand, four hundred forty-six".