2194236 has 48 divisors (see below), whose sum is σ = 6209280. Its totient is φ = 664560.

The previous prime is 2194229. The next prime is 2194243. The reversal of 2194236 is 6324912.

It is an interprime number because it is at equal distance from previous prime (2194229) and next prime (2194243).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

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, 265 + ... + 2111.

It is an arithmetic number, because the mean of its divisors is an integer number (129360).

2^2194236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2194236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3104640).

2194236 is an abundant number, since it is smaller than the sum of its proper divisors (4015044).

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

2194236 is a wasteful number, since it uses less digits than its factorization.

2194236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1871 (or 1863 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 2194236 is about 1481.2953790517. The cubic root of 2194236 is about 129.9454603566.

The spelling of 2194236 in words is "two million, one hundred ninety-four thousand, two hundred thirty-six".