1088220 has 48 divisors (see below), whose sum is σ = 3483648. Its totient is φ = 248640.

The previous prime is 1088209. The next prime is 1088233. The reversal of 1088220 is 228801.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

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, 876 + ... + 1715.

It is an arithmetic number, because the mean of its divisors is an integer number (72576).

2^1088220 is an apocalyptic number.

1088220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1088220 is an abundant number, since it is smaller than the sum of its proper divisors (2395428).

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

1088220 is a wasteful number, since it uses less digits than its factorization.

1088220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610 (or 2608 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 1088220 is about 1043.1778371879. The cubic root of 1088220 is about 102.8581955360.

The spelling of 1088220 in words is "one million, eighty-eight thousand, two hundred twenty".