22002220331 has 8 divisors (see below), whose sum is σ = 27079655904. Its totient is φ = 17408350080.

The previous prime is 22002220321. The next prime is 22002220391. The reversal of 22002220331 is 13302220022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22002220331 is a prime.

It is a super-2 number, since 2×22002220331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22002220321) 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, 120891230 + ... + 120891411.

It is an arithmetic number, because the mean of its divisors is an integer number (3384956988).

Almost surely, 2^22002220331 is an apocalyptic number.

22002220331 is a deficient number, since it is larger than the sum of its proper divisors (5077435573).

22002220331 is a wasteful number, since it uses less digits than its factorization.

22002220331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241782661.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 22002220331 its reverse (13302220022), we get a palindrome (35304440353).

The spelling of 22002220331 in words is "twenty-two billion, two million, two hundred twenty thousand, three hundred thirty-one".