21801733322 has 8 divisors (see below), whose sum is σ = 33463125696. Its totient is φ = 10647358092.

The previous prime is 21801733321. The next prime is 21801733333. The reversal of 21801733322 is 22333710812.

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

It is not an unprimeable number, because it can be changed into a prime (21801733321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126754178 + ... + 126754349.

It is an arithmetic number, because the mean of its divisors is an integer number (4182890712).

Almost surely, 2^21801733322 is an apocalyptic number.

21801733322 is a deficient number, since it is larger than the sum of its proper divisors (11661392374).

21801733322 is a wasteful number, since it uses less digits than its factorization.

21801733322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253508572.

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 21801733322 in words is "twenty-one billion, eight hundred one million, seven hundred thirty-three thousand, three hundred twenty-two".