9942788522 has 8 divisors (see below), whose sum is σ = 14914615872. Its totient is φ = 4971249900.

The previous prime is 9942788507. The next prime is 9942788549. The reversal of 9942788522 is 2258872499.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69647 + ... + 157277.

It is an arithmetic number, because the mean of its divisors is an integer number (1864326984).

Almost surely, 2^9942788522 is an apocalyptic number.

9942788522 is a deficient number, since it is larger than the sum of its proper divisors (4971827350).

9942788522 is a wasteful number, since it uses less digits than its factorization.

9942788522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144364.

The product of its digits is 5806080, while the sum is 56.

The square root of 9942788522 is about 99713.5322912592. The cubic root of 9942788522 is about 2150.3182166093.

The spelling of 9942788522 in words is "nine billion, nine hundred forty-two million, seven hundred eighty-eight thousand, five hundred twenty-two".