22561620063 has 8 divisors (see below), whose sum is σ = 30147134208. Its totient is φ = 15008592984.

The previous prime is 22561619963. The next prime is 22561620101. The reversal of 22561620063 is 36002616522.

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

It is not a de Polignac number, because 22561620063 - 2⁹ = 22561619551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22561620863) 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, 8120145 + ... + 8122922.

It is an arithmetic number, because the mean of its divisors is an integer number (3768391776).

Almost surely, 2^22561620063 is an apocalyptic number.

22561620063 is a deficient number, since it is larger than the sum of its proper divisors (7585514145).

22561620063 is a wasteful number, since it uses less digits than its factorization.

22561620063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16243533.

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 22561620063 in words is "twenty-two billion, five hundred sixty-one million, six hundred twenty thousand, sixty-three".