22194736 has 20 divisors (see below), whose sum is σ = 45266200. Its totient is φ = 10513152.

The previous prime is 22194727. The next prime is 22194737. The reversal of 22194736 is 63749122.

It is a super-2 number, since 2×22194736² = 985212612219392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22194737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36201 + ... + 36808.

It is an arithmetic number, because the mean of its divisors is an integer number (2263310).

Almost surely, 2^22194736 is an apocalyptic number.

It is an amenable number.

22194736 is an abundant number, since it is smaller than the sum of its proper divisors (23071464).

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

22194736 is a wasteful number, since it uses less digits than its factorization.

22194736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73036 (or 73030 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 22194736 is about 4711.1289517482. The cubic root of 22194736 is about 281.0282600555.

The spelling of 22194736 in words is "twenty-two million, one hundred ninety-four thousand, seven hundred thirty-six".