22243321542 has 16 divisors (see below), whose sum is σ = 47908692720. Its totient is φ = 6844098912.

The previous prime is 22243321537. The next prime is 22243321547. The reversal of 22243321542 is 24512334222.

It is an interprime number because it is at equal distance from previous prime (22243321537) and next prime (22243321547).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22243321547) 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, 142585317 + ... + 142585472.

It is an arithmetic number, because the mean of its divisors is an integer number (2994293295).

Almost surely, 2^22243321542 is an apocalyptic number.

22243321542 is an abundant number, since it is smaller than the sum of its proper divisors (25665371178).

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

22243321542 is a wasteful number, since it uses less digits than its factorization.

22243321542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285170807.

The product of its digits is 23040, while the sum is 30.

Adding to 22243321542 its reverse (24512334222), we get a palindrome (46755655764).

The spelling of 22243321542 in words is "twenty-two billion, two hundred forty-three million, three hundred twenty-one thousand, five hundred forty-two".