7229142894678 has 32 divisors (see below), whose sum is σ = 14550760256256. Its totient is φ = 2394309557088.

The previous prime is 7229142894667. The next prime is 7229142894739. The reversal of 7229142894678 is 8764982419227.

It is a happy number.

It is a super-3 number, since 3×7229142894678³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2821276 + ... + 4734752.

It is an arithmetic number, because the mean of its divisors is an integer number (454711258008).

Almost surely, 2^{7229142894678} is an apocalyptic number.

7229142894678 is an abundant number, since it is smaller than the sum of its proper divisors (7321617361578).

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

7229142894678 is a wasteful number, since it uses less digits than its factorization.

7229142894678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917508.

The product of its digits is 195084288, while the sum is 69.

The spelling of 7229142894678 in words is "seven trillion, two hundred twenty-nine billion, one hundred forty-two million, eight hundred ninety-four thousand, six hundred seventy-eight".