1092220 has 24 divisors (see below), whose sum is σ = 2321424. Its totient is φ = 431616.

The previous prime is 1092209. The next prime is 1092229. The reversal of 1092220 is 222901.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1092194 and 1092203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1092229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1659 + ... + 2221.

It is an arithmetic number, because the mean of its divisors is an integer number (96726).

2^1092220 is an apocalyptic number.

1092220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1092220 is an abundant number, since it is smaller than the sum of its proper divisors (1229204).

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

1092220 is a wasteful number, since it uses less digits than its factorization.

1092220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1092220 is about 1045.0932972706. The cubic root of 1092220 is about 102.9840676648.

The spelling of 1092220 in words is "one million, ninety-two thousand, two hundred twenty".