223662353445 has 24 divisors (see below), whose sum is σ = 387996440832. Its totient is φ = 119189656800.

The previous prime is 223662353441. The next prime is 223662353461. The reversal of 223662353445 is 544353266322.

It is a happy number.

223662353445 is a `hidden beast` number, since 2 + 236 + 62 + 353 + 4 + 4 + 5 = 666.

It is not a de Polignac number, because 223662353445 - 2² = 223662353441 is a prime.

It is a super-2 number, since 2×223662353445² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 223662353445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223662353441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1963401 + ... + 2074190.

It is an arithmetic number, because the mean of its divisors is an integer number (16166518368).

Almost surely, 2^223662353445 is an apocalyptic number.

It is an amenable number.

223662353445 is a deficient number, since it is larger than the sum of its proper divisors (164334087387).

223662353445 is a wasteful number, since it uses less digits than its factorization.

223662353445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4038833 (or 4038830 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 45.

The spelling of 223662353445 in words is "two hundred twenty-three billion, six hundred sixty-two million, three hundred fifty-three thousand, four hundred forty-five".