22040142342 has 16 divisors (see below), whose sum is σ = 44088360960. Its totient is φ = 7345368072.

The previous prime is 22040142283. The next prime is 22040142347. The reversal of 22040142342 is 24324104022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22040142347) 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, 300742 + ... + 366777.

It is an arithmetic number, because the mean of its divisors is an integer number (2755522560).

Almost surely, 2^22040142342 is an apocalyptic number.

22040142342 is an abundant number, since it is smaller than the sum of its proper divisors (22048218618).

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

22040142342 is a wasteful number, since it uses less digits than its factorization.

22040142342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673027.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 22040142342 its reverse (24324104022), we get a palindrome (46364246364).

The spelling of 22040142342 in words is "twenty-two billion, forty million, one hundred forty-two thousand, three hundred forty-two".