223040642 has 32 divisors (see below), whose sum is σ = 374134464. Its totient is φ = 98862400.

The previous prime is 223040617. The next prime is 223040681. The reversal of 223040642 is 246040322.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229217 + ... + 230187.

It is an arithmetic number, because the mean of its divisors is an integer number (11691702).

Almost surely, 2^223040642 is an apocalyptic number.

223040642 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

223040642 is a deficient number, since it is larger than the sum of its proper divisors (151093822).

223040642 is a wasteful number, since it uses less digits than its factorization.

223040642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 223040642 is about 14934.5452558824. The cubic root of 223040642 is about 606.4495370110.

Adding to 223040642 its reverse (246040322), we get a palindrome (469080964).

The spelling of 223040642 in words is "two hundred twenty-three million, forty thousand, six hundred forty-two".