88991122 has 8 divisors (see below), whose sum is σ = 145621872. Its totient is φ = 40450500.

The previous prime is 88991113. The next prime is 88991129. The reversal of 88991122 is 22119988.

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

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (88991129) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2022504 + ... + 2022547.

It is an arithmetic number, because the mean of its divisors is an integer number (18202734).

Almost surely, 2^88991122 is an apocalyptic number.

88991122 is a deficient number, since it is larger than the sum of its proper divisors (56630750).

88991122 is a wasteful number, since it uses less digits than its factorization.

88991122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4045064.

The product of its digits is 20736, while the sum is 40.

The square root of 88991122 is about 9433.5105872628. The cubic root of 88991122 is about 446.4596633693.

The spelling of 88991122 in words is "eighty-eight million, nine hundred ninety-one thousand, one hundred twenty-two".