222403142 has 8 divisors (see below), whose sum is σ = 359266656. Its totient is φ = 102647592.

The previous prime is 222403141. The next prime is 222403271. The reversal of 222403142 is 241304222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222403141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4276958 + ... + 4277009.

It is an arithmetic number, because the mean of its divisors is an integer number (44908332).

Almost surely, 2^222403142 is an apocalyptic number.

222403142 is a deficient number, since it is larger than the sum of its proper divisors (136863514).

222403142 is a wasteful number, since it uses less digits than its factorization.

222403142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8553982.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 222403142 is about 14913.1868492284. The cubic root of 222403142 is about 605.8711962160.

Adding to 222403142 its reverse (241304222), we get a palindrome (463707364).

The spelling of 222403142 in words is "two hundred twenty-two million, four hundred three thousand, one hundred forty-two".