9994524222142 has 4 divisors (see below), whose sum is σ = 14991786333216. Its totient is φ = 4997262111070.

The previous prime is 9994524222097. The next prime is 9994524222157. The reversal of 9994524222142 is 2412224254999.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2498631055534 + ... + 2498631055537.

It is an arithmetic number, because the mean of its divisors is an integer number (3747946583304).

Almost surely, 2^{9994524222142} is an apocalyptic number.

9994524222142 is a deficient number, since it is larger than the sum of its proper divisors (4997262111074).

9994524222142 is a wasteful number, since it uses less digits than its factorization.

9994524222142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4997262111073.

The product of its digits is 7464960, while the sum is 55.

The spelling of 9994524222142 in words is "nine trillion, nine hundred ninety-four billion, five hundred twenty-four million, two hundred twenty-two thousand, one hundred forty-two".