22101553542 has 16 divisors (see below), whose sum is σ = 44209488960. Its totient is φ = 7366120872.

The previous prime is 22101553469. The next prime is 22101553547. The reversal of 22101553542 is 24535510122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101553547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220288 + ... + 304515.

It is an arithmetic number, because the mean of its divisors is an integer number (2763093060).

Almost surely, 2^22101553542 is an apocalyptic number.

22101553542 is an abundant number, since it is smaller than the sum of its proper divisors (22107935418).

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

22101553542 is a wasteful number, since it uses less digits than its factorization.

22101553542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531827.

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

The spelling of 22101553542 in words is "twenty-two billion, one hundred one million, five hundred fifty-three thousand, five hundred forty-two".