1094223420 has 72 divisors (see below), whose sum is σ = 3337785360. Its totient is φ = 290154240.

The previous prime is 1094223397. The next prime is 1094223421. The reversal of 1094223420 is 243224901.

1094223420 is a `hidden beast` number, since 10 + 9 + 4 + 223 + 420 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1094223421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15240 + ... + 49200.

It is an arithmetic number, because the mean of its divisors is an integer number (46358130).

Almost surely, 2^1094223420 is an apocalyptic number.

1094223420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1094223420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1668892680).

1094223420 is an abundant number, since it is smaller than the sum of its proper divisors (2243561940).

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

1094223420 is a wasteful number, since it uses less digits than its factorization.

1094223420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34155 (or 34150 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1094223420 is about 33079.0480515991. The cubic root of 1094223420 is about 1030.4699586625.

The spelling of 1094223420 in words is "one billion, ninety-four million, two hundred twenty-three thousand, four hundred twenty".