22042120342 has 16 divisors (see below), whose sum is σ = 36563021712. Its totient is φ = 9881896320.

The previous prime is 22042120319. The next prime is 22042120349. The reversal of 22042120342 is 24302124022.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22042120349) 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, 6860823 + ... + 6864034.

It is an arithmetic number, because the mean of its divisors is an integer number (2285188857).

Almost surely, 2^22042120342 is an apocalyptic number.

22042120342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22042120342 is a deficient number, since it is larger than the sum of its proper divisors (14520901370).

22042120342 is a wasteful number, since it uses less digits than its factorization.

22042120342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13724943.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22042120342 its reverse (24302124022), we get a palindrome (46344244364).

The spelling of 22042120342 in words is "twenty-two billion, forty-two million, one hundred twenty thousand, three hundred forty-two".