223069442 has 18 divisors (see below), whose sum is σ = 342283683. Its totient is φ = 109031764.

The previous prime is 223069439. The next prime is 223069471. The reversal of 223069442 is 244960322.

It can be written as a sum of positive squares in only one way, i.e., 111534721 + 111534721 = 10561^2 + 10561^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=10561.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223069399 and 223069408.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1246109 + ... + 1246287.

Almost surely, 2^223069442 is an apocalyptic number.

223069442 is a deficient number, since it is larger than the sum of its proper divisors (119214241).

223069442 is an frugal number, since it uses more digits than its factorization.

223069442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 223069442 is about 14935.5094322223. The cubic root of 223069442 is about 606.4756383750.

Multiplying 223069442 by its sum of digits (32), we get a square (7138222144 = 84488²).

The spelling of 223069442 in words is "two hundred twenty-three million, sixty-nine thousand, four hundred forty-two".