22311032222 has 4 divisors (see below), whose sum is σ = 33466548336. Its totient is φ = 11155516110.

The previous prime is 22311032201. The next prime is 22311032239. The reversal of 22311032222 is 22223011322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22223011322 = 2 ⋅11111505661.

It is a super-3 number, since 3×22311032222³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 22311032194 and 22311032203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5577758054 + ... + 5577758057.

It is an arithmetic number, because the mean of its divisors is an integer number (8366637084).

Almost surely, 2^22311032222 is an apocalyptic number.

22311032222 is a deficient number, since it is larger than the sum of its proper divisors (11155516114).

22311032222 is a wasteful number, since it uses less digits than its factorization.

22311032222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11155516113.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22311032222 its reverse (22223011322), we get a palindrome (44534043544).

The spelling of 22311032222 in words is "twenty-two billion, three hundred eleven million, thirty-two thousand, two hundred twenty-two".