142222030 has 32 divisors (see below), whose sum is σ = 276060960. Its totient is φ = 52577280.

The previous prime is 142222021. The next prime is 142222033. The reversal of 142222030 is 30222241.

142222030 = T₃₄₉ + T₃₅₀ + ... + T₉₆₃.

It is a junction number, because it is equal to n+sod(n) for n = 142221995 and 142222013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142222033) 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 15 ways as a sum of consecutive naturals, for example, 1339 + ... + 16918.

It is an arithmetic number, because the mean of its divisors is an integer number (8626905).

Almost surely, 2^142222030 is an apocalyptic number.

142222030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142222030 is a deficient number, since it is larger than the sum of its proper divisors (133838930).

142222030 is a wasteful number, since it uses less digits than its factorization.

142222030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18324.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 142222030 is about 11925.6878208345. The cubic root of 142222030 is about 521.9821169918.

Adding to 142222030 its reverse (30222241), we get a palindrome (172444271).

The spelling of 142222030 in words is "one hundred forty-two million, two hundred twenty-two thousand, thirty".