22196842 has 8 divisors (see below), whose sum is σ = 33395076. Its totient is φ = 11065152.

The previous prime is 22196827. The next prime is 22196843. The reversal of 22196842 is 24869122.

It can be written as a sum of positive squares in 2 ways, for example, as 18844281 + 3352561 = 4341^2 + 1831^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×22196842³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22196798 and 22196807.

It is not an unprimeable number, because it can be changed into a prime (22196843) 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, 15793 + ... + 17140.

Almost surely, 2^22196842 is an apocalyptic number.

22196842 is a deficient number, since it is larger than the sum of its proper divisors (11198234).

22196842 is a wasteful number, since it uses less digits than its factorization.

22196842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33272.

The product of its digits is 13824, while the sum is 34.

The square root of 22196842 is about 4711.3524597508. The cubic root of 22196842 is about 281.0371484514.

The spelling of 22196842 in words is "twenty-two million, one hundred ninety-six thousand, eight hundred forty-two".