22197802442 has 8 divisors (see below), whose sum is σ = 33558882816. Its totient is φ = 11011508172.

The previous prime is 22197802441. The next prime is 22197802453. The reversal of 22197802442 is 24420879122.

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

It is a super-2 number, since 2×22197802442² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22197802442.

It is not an unprimeable number, because it can be changed into a prime (22197802441) 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, 43696208 + ... + 43696715.

It is an arithmetic number, because the mean of its divisors is an integer number (4194860352).

Almost surely, 2^22197802442 is an apocalyptic number.

22197802442 is a deficient number, since it is larger than the sum of its proper divisors (11361080374).

22197802442 is a wasteful number, since it uses less digits than its factorization.

22197802442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87393052.

The product of its (nonzero) digits is 129024, while the sum is 41.

It can be divided in two parts, 2219780 and 2442, that added together give a palindrome (2222222).

The spelling of 22197802442 in words is "twenty-two billion, one hundred ninety-seven million, eight hundred two thousand, four hundred forty-two".