22421196 has 72 divisors (see below), whose sum is σ = 65249184. Its totient is φ = 6359040.

The previous prime is 22421183. The next prime is 22421233. The reversal of 22421196 is 69112422.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48406 + ... + 48866.

Almost surely, 2^22421196 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 22421196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32624592).

22421196 is an abundant number, since it is smaller than the sum of its proper divisors (42827988).

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

22421196 is a wasteful number, since it uses less digits than its factorization.

22421196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671 (or 666 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 22421196 is about 4735.1025332088. The cubic root of 22421196 is about 281.9808346716.

The spelling of 22421196 in words is "twenty-two million, four hundred twenty-one thousand, one hundred ninety-six".