22197042 has 48 divisors (see below), whose sum is σ = 55486080. Its totient is φ = 6281856.

The previous prime is 22197013. The next prime is 22197059. The reversal of 22197042 is 24079122.

It is a junction number, because it is equal to n+sod(n) for n = 22196997 and 22197015.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13459 + ... + 15017.

It is an arithmetic number, because the mean of its divisors is an integer number (1155960).

Almost surely, 2^22197042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22197042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27743040).

22197042 is an abundant number, since it is smaller than the sum of its proper divisors (33289038).

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

22197042 is a wasteful number, since it uses less digits than its factorization.

22197042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687 (or 1684 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 22197042 is about 4711.3736850307. The cubic root of 22197042 is about 281.0379925243.

It can be divided in two parts, 2219 and 7042, that added together give a cube (9261 = 21³).

The spelling of 22197042 in words is "twenty-two million, one hundred ninety-seven thousand, forty-two".