1094418221 has 24 divisors (see below), whose sum is σ = 1255319520. Its totient is φ = 945858816.

The previous prime is 1094418191. The next prime is 1094418229. The reversal of 1094418221 is 1228144901.

It is a happy number.

It is not a de Polignac number, because 1094418221 - 2¹⁰ = 1094417197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1094418229) 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, 3153770 + ... + 3154116.

It is an arithmetic number, because the mean of its divisors is an integer number (52304980).

Almost surely, 2^1094418221 is an apocalyptic number.

It is an amenable number.

1094418221 is a deficient number, since it is larger than the sum of its proper divisors (160901299).

1094418221 is a wasteful number, since it uses less digits than its factorization.

1094418221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 1094418221 is about 33081.9923976776. The cubic root of 1094418221 is about 1030.5311054277.

The spelling of 1094418221 in words is "one billion, ninety-four million, four hundred eighteen thousand, two hundred twenty-one".