22246236 has 18 divisors (see below), whose sum is σ = 56233632. Its totient is φ = 7415400.

The previous prime is 22246223. The next prime is 22246247. The reversal of 22246236 is 63264222.

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 308940 + ... + 309011.

Almost surely, 2^22246236 is an apocalyptic number.

It is an amenable number.

22246236 is an abundant number, since it is smaller than the sum of its proper divisors (33987396).

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

22246236 is a wasteful number, since it uses less digits than its factorization.

22246236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617961 (or 617956 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 22246236 is about 4716.5915659510. The cubic root of 22246236 is about 281.2454553340.

The spelling of 22246236 in words is "twenty-two million, two hundred forty-six thousand, two hundred thirty-six".