22642120542 has 8 divisors (see below), whose sum is σ = 45284241096. Its totient is φ = 7547373512.

The previous prime is 22642120537. The next prime is 22642120547. The reversal of 22642120542 is 24502124622.

It is an interprime number because it is at equal distance from previous prime (22642120537) and next prime (22642120547).

It is a sphenic number, since it is the product of 3 distinct primes.

22642120542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22642120547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1886843373 + ... + 1886843384.

It is an arithmetic number, because the mean of its divisors is an integer number (5660530137).

Almost surely, 2^22642120542 is an apocalyptic number.

22642120542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22642120542 is a wasteful number, since it uses less digits than its factorization.

22642120542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773686762.

The product of its (nonzero) digits is 15360, while the sum is 30.

The spelling of 22642120542 in words is "twenty-two billion, six hundred forty-two million, one hundred twenty thousand, five hundred forty-two".