22343533521 has 8 divisors (see below), whose sum is σ = 29805379680. Its totient is φ = 14888688192.

The previous prime is 22343533489. The next prime is 22343533523. The reversal of 22343533521 is 12533534322.

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

It is not a de Polignac number, because 22343533521 - 2⁵ = 22343533489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22343533523) 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, 1742755 + ... + 1755528.

It is an arithmetic number, because the mean of its divisors is an integer number (3725672460).

Almost surely, 2^22343533521 is an apocalyptic number.

It is an amenable number.

22343533521 is a deficient number, since it is larger than the sum of its proper divisors (7461846159).

22343533521 is a wasteful number, since it uses less digits than its factorization.

22343533521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500415.

The product of its digits is 64800, while the sum is 33.

The spelling of 22343533521 in words is "twenty-two billion, three hundred forty-three million, five hundred thirty-three thousand, five hundred twenty-one".