22001531534 has 8 divisors (see below), whose sum is σ = 33003406128. Its totient is φ = 11000396160.

The previous prime is 22001531533. The next prime is 22001531537. The reversal of 22001531534 is 43513510022.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22001531533) 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, 103187 + ... + 233774.

It is an arithmetic number, because the mean of its divisors is an integer number (4125425766).

Almost surely, 2^22001531534 is an apocalyptic number.

22001531534 is a deficient number, since it is larger than the sum of its proper divisors (11001874594).

22001531534 is a wasteful number, since it uses less digits than its factorization.

22001531534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369610.

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 22001531534 in words is "twenty-two billion, one million, five hundred thirty-one thousand, five hundred thirty-four".