988869222 has 120 divisors (see below), whose sum is σ = 2529311400. Its totient is φ = 286355520.

The previous prime is 988869197. The next prime is 988869241. The reversal of 988869222 is 222968889.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 942154 + ... + 943202.

It is an arithmetic number, because the mean of its divisors is an integer number (21077595).

Almost surely, 2^988869222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 988869222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1264655700).

988869222 is an abundant number, since it is smaller than the sum of its proper divisors (1540442178).

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

988869222 is a wasteful number, since it uses less digits than its factorization.

988869222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120 (or 1088 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The square root of 988869222 is about 31446.2910690593. The cubic root of 988869222 is about 996.2758888796.

The spelling of 988869222 in words is "nine hundred eighty-eight million, eight hundred sixty-nine thousand, two hundred twenty-two".