22042323342 has 64 divisors (see below), whose sum is σ = 52983624960. Its totient is φ = 6752326752.

The previous prime is 22042323307. The next prime is 22042323361. The reversal of 22042323342 is 24332324022.

It is a happy number.

22042323342 is a `hidden beast` number, since 2 + 2 + 0 + 423 + 233 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90193 + ... + 228515.

It is an arithmetic number, because the mean of its divisors is an integer number (827869140).

Almost surely, 2^22042323342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22042323342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26491812480).

22042323342 is an abundant number, since it is smaller than the sum of its proper divisors (30941301618).

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

22042323342 is a wasteful number, since it uses less digits than its factorization.

22042323342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138574 (or 138568 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

Adding to 22042323342 its reverse (24332324022), we get a palindrome (46374647364).

The spelling of 22042323342 in words is "twenty-two billion, forty-two million, three hundred twenty-three thousand, three hundred forty-two".