22115235054 has 16 divisors (see below), whose sum is σ = 48251422080. Its totient is φ = 6701586360.

The previous prime is 22115235031. The next prime is 22115235083. The reversal of 22115235054 is 45053251122.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 167539594 + ... + 167539725.

It is an arithmetic number, because the mean of its divisors is an integer number (3015713880).

Almost surely, 2^22115235054 is an apocalyptic number.

22115235054 is an abundant number, since it is smaller than the sum of its proper divisors (26136187026).

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

22115235054 is a wasteful number, since it uses less digits than its factorization.

22115235054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335079335.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 22115235054 its reverse (45053251122), we get a palindrome (67168486176).

The spelling of 22115235054 in words is "twenty-two billion, one hundred fifteen million, two hundred thirty-five thousand, fifty-four".