22022213331 has 4 divisors (see below), whose sum is σ = 29362951112. Its totient is φ = 14681475552.

The previous prime is 22022213329. The next prime is 22022213333. The reversal of 22022213331 is 13331222022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22022213329) and next prime (22022213333).

It is not a de Polignac number, because 22022213331 - 2¹ = 22022213329 is a prime.

It is a super-2 number, since 2×22022213331² (a number of 21 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 = 22022213298 and 22022213307.

It is not an unprimeable number, because it can be changed into a prime (22022213333) 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, 3670368886 + ... + 3670368891.

It is an arithmetic number, because the mean of its divisors is an integer number (7340737778).

Almost surely, 2^22022213331 is an apocalyptic number.

22022213331 is a deficient number, since it is larger than the sum of its proper divisors (7340737781).

22022213331 is an equidigital number, since it uses as much as digits as its factorization.

22022213331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7340737780.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22022213331 its reverse (13331222022), we get a palindrome (35353435353).

The spelling of 22022213331 in words is "twenty-two billion, twenty-two million, two hundred thirteen thousand, three hundred thirty-one".