142222302 has 48 divisors (see below), whose sum is σ = 318511440. Its totient is φ = 45830016.

The previous prime is 142222291. The next prime is 142222313. The reversal of 142222302 is 203222241.

142222302 is a `hidden beast` number, since 142 + 222 + 302 = 666.

It is an interprime number because it is at equal distance from previous prime (142222291) and next prime (142222313).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118618 + ... + 119810.

It is an arithmetic number, because the mean of its divisors is an integer number (6635655).

Almost surely, 2^142222302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142222302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159255720).

142222302 is an abundant number, since it is smaller than the sum of its proper divisors (176289138).

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

142222302 is a wasteful number, since it uses less digits than its factorization.

142222302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417 (or 1414 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 142222302 is about 11925.6992247834. The cubic root of 142222302 is about 521.9824497557.

Adding to 142222302 its reverse (203222241), we get a palindrome (345444543).

The spelling of 142222302 in words is "one hundred forty-two million, two hundred twenty-two thousand, three hundred two".