22422450442242 has 32 divisors (see below), whose sum is σ = 45292306849920. Its totient is φ = 7399621008000.

The previous prime is 22422450442213. The next prime is 22422450442243. The reversal of 22422450442242 is 24224405422422.

It is a happy number.

It is a super-2 number, since 2×22422450442242² (a number of 28 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 22422450442242.

It is not an unprimeable number, because it can be changed into a prime (22422450442243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2484009 + ... + 7142492.

It is an arithmetic number, because the mean of its divisors is an integer number (1415384589060).

Almost surely, 2^{22422450442242} is an apocalyptic number.

22422450442242 is an abundant number, since it is smaller than the sum of its proper divisors (22869856407678).

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

22422450442242 is a wasteful number, since it uses less digits than its factorization.

22422450442242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9630378.

The product of its (nonzero) digits is 655360, while the sum is 39.

Adding to 22422450442242 its reverse (24224405422422), we get a palindrome (46646855864664).

The spelling of 22422450442242 in words is "twenty-two trillion, four hundred twenty-two billion, four hundred fifty million, four hundred forty-two thousand, two hundred forty-two".