142622226 has 24 divisors (see below), whose sum is σ = 311907024. Its totient is φ = 47095800.

The previous prime is 142622213. The next prime is 142622239. The reversal of 142622226 is 622226241.

It is a happy number.

142622226 is a `hidden beast` number, since 14 + 2 + 622 + 2 + 26 = 666.

It is an interprime number because it is at equal distance from previous prime (142622213) and next prime (142622239).

It is a self number, because there is not a number n which added to its sum of digits gives 142622226.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35100 + ... + 38951.

It is an arithmetic number, because the mean of its divisors is an integer number (12996126).

Almost surely, 2^142622226 is an apocalyptic number.

142622226 is an abundant number, since it is smaller than the sum of its proper divisors (169284798).

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

142622226 is a wasteful number, since it uses less digits than its factorization.

142622226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74166 (or 74163 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 142622226 is about 11942.4547727844. The cubic root of 142622226 is about 522.4712571660.

Adding to 142622226 its reverse (622226241), we get a palindrome (764848467).

The spelling of 142622226 in words is "one hundred forty-two million, six hundred twenty-two thousand, two hundred twenty-six".