222142 has 8 divisors (see below), whose sum is σ = 336600. Its totient is φ = 109944.

The previous prime is 222137. The next prime is 222149. The reversal of 222142 is 241222.

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 (222149) 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, 292 + ... + 727.

It is an arithmetic number, because the mean of its divisors is an integer number (42075).

2²²²¹⁴² is an apocalyptic number.

222142 is a deficient number, since it is larger than the sum of its proper divisors (114458).

222142 is a wasteful number, since it uses less digits than its factorization.

222142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130.

The product of its digits is 64, while the sum is 13.

The square root of 222142 is about 471.3194245944. The cubic root of 222142 is about 60.5633968779.

Adding to 222142 its reverse (241222), we get a palindrome (463364).

The spelling of 222142 in words is "two hundred twenty-two thousand, one hundred forty-two", and thus it is an iban number.