22452345101442 has 16 divisors (see below), whose sum is σ = 46857068038080. Its totient is φ = 7158718727952.

The previous prime is 22452345101441. The next prime is 22452345101479. The reversal of 22452345101442 is 24410154325422.

It is a self number, because there is not a number n which added to its sum of digits gives 22452345101442.

It is not an unprimeable number, because it can be changed into a prime (22452345101441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81349076317 + ... + 81349076592.

It is an arithmetic number, because the mean of its divisors is an integer number (2928566752380).

Almost surely, 2^{22452345101442} is an apocalyptic number.

22452345101442 is an abundant number, since it is smaller than the sum of its proper divisors (24404722936638).

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

22452345101442 is a wasteful number, since it uses less digits than its factorization.

22452345101442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162698152937.

The product of its (nonzero) digits is 307200, while the sum is 39.

Adding to 22452345101442 its reverse (24410154325422), we get a palindrome (46862499426864).

The spelling of 22452345101442 in words is "twenty-two trillion, four hundred fifty-two billion, three hundred forty-five million, one hundred one thousand, four hundred forty-two".