22021022232331 has 8 divisors (see below), whose sum is σ = 22171536651600. Its totient is φ = 21870544111008.

The previous prime is 22021022232329. The next prime is 22021022232353. The reversal of 22021022232331 is 13323222012022.

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

It is a cyclic number.

It is not a de Polignac number, because 22021022232331 - 2¹ = 22021022232329 is a prime.

It is a super-2 number, since 2×22021022232331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22021022232296 and 22021022232305.

It is not an unprimeable number, because it can be changed into a prime (22021022232431) 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, 7856436 + ... + 10284241.

It is an arithmetic number, because the mean of its divisors is an integer number (2771442081450).

Almost surely, 2^{22021022232331} is an apocalyptic number.

22021022232331 is a deficient number, since it is larger than the sum of its proper divisors (150514419269).

22021022232331 is a wasteful number, since it uses less digits than its factorization.

22021022232331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18148973.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 22021022232331 its reverse (13323222012022), we get a palindrome (35344244244353).

The spelling of 22021022232331 in words is "twenty-two trillion, twenty-one billion, twenty-two million, two hundred thirty-two thousand, three hundred thirty-one".