142202226 has 8 divisors (see below), whose sum is σ = 284404464. Its totient is φ = 47400740.

The previous prime is 142202209. The next prime is 142202231. The reversal of 142202226 is 622202241.

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

142202226 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11850180 + ... + 11850191.

It is an arithmetic number, because the mean of its divisors is an integer number (35550558).

Almost surely, 2^142202226 is an apocalyptic number.

142202226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142202226 is a wasteful number, since it uses less digits than its factorization.

142202226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23700376.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 142202226 is about 11924.8574834251. The cubic root of 142202226 is about 521.9578877082.

Adding to 142202226 its reverse (622202241), we get a palindrome (764404467).

The spelling of 142202226 in words is "one hundred forty-two million, two hundred two thousand, two hundred twenty-six".