142074222 has 16 divisors (see below), whose sum is σ = 286664400. Its totient is φ = 46938752.

The previous prime is 142074221. The next prime is 142074227. The reversal of 142074222 is 222470241.

It is a junction number, because it is equal to n+sod(n) for n = 142074192 and 142074201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142074221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104097 + ... + 105452.

It is an arithmetic number, because the mean of its divisors is an integer number (17916525).

Almost surely, 2^142074222 is an apocalyptic number.

142074222 is an abundant number, since it is smaller than the sum of its proper divisors (144590178).

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

142074222 is a wasteful number, since it uses less digits than its factorization.

142074222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209667.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 142074222 is about 11919.4891669064. The cubic root of 142074222 is about 521.8012264130.

The spelling of 142074222 in words is "one hundred forty-two million, seventy-four thousand, two hundred twenty-two".