142222065 has 8 divisors (see below), whose sum is σ = 227555328. Its totient is φ = 75851760.

The previous prime is 142222063. The next prime is 142222081. The reversal of 142222065 is 560222241.

It is a happy number.

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

It is not a de Polignac number, because 142222065 - 2¹ = 142222063 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142222063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4740721 + ... + 4740750.

It is an arithmetic number, because the mean of its divisors is an integer number (28444416).

Almost surely, 2^142222065 is an apocalyptic number.

142222065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142222065 is a deficient number, since it is larger than the sum of its proper divisors (85333263).

142222065 is an equidigital number, since it uses as much as digits as its factorization.

142222065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9481479.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 142222065 is about 11925.6892882550. The cubic root of 142222065 is about 521.9821598107.

The spelling of 142222065 in words is "one hundred forty-two million, two hundred twenty-two thousand, sixty-five".