21802192322 has 8 divisors (see below), whose sum is σ = 33117254400. Its totient is φ = 10763107524.

The previous prime is 21802192289. The next prime is 21802192327. The reversal of 21802192322 is 22329120812.

It is a happy number.

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

It is a super-4 number, since 4×21802192322⁴ (a number of 42 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (21802192327) 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, 68994122 + ... + 68994437.

It is an arithmetic number, because the mean of its divisors is an integer number (4139656800).

Almost surely, 2^21802192322 is an apocalyptic number.

21802192322 is a deficient number, since it is larger than the sum of its proper divisors (11315062078).

21802192322 is a wasteful number, since it uses less digits than its factorization.

21802192322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137988640.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 21802192322 in words is "twenty-one billion, eight hundred two million, one hundred ninety-two thousand, three hundred twenty-two".