22445320501542 has 16 divisors (see below), whose sum is σ = 44954679015792. Its totient is φ = 7471100498400.

The previous prime is 22445320501517. The next prime is 22445320501547. The reversal of 22445320501542 is 24510502354422.

It is a self number, because there is not a number n which added to its sum of digits gives 22445320501542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22445320501547) 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, 2668245973 + ... + 2668254384.

It is an arithmetic number, because the mean of its divisors is an integer number (2809667438487).

Almost surely, 2^{22445320501542} is an apocalyptic number.

22445320501542 is an abundant number, since it is smaller than the sum of its proper divisors (22509358514250).

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

22445320501542 is a wasteful number, since it uses less digits than its factorization.

22445320501542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5336501063.

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 22445320501542 its reverse (24510502354422), we get a palindrome (46955822855964).

The spelling of 22445320501542 in words is "twenty-two trillion, four hundred forty-five billion, three hundred twenty million, five hundred one thousand, five hundred forty-two".