22201031331 has 12 divisors (see below), whose sum is σ = 33102613440. Its totient is φ = 14323245840.

The previous prime is 22201031317. The next prime is 22201031387. The reversal of 22201031331 is 13313010222.

It is not a de Polignac number, because 22201031331 - 2²² = 22196837027 is a prime.

It is a super-2 number, since 2×22201031331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22201031131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39786516 + ... + 39787073.

It is an arithmetic number, because the mean of its divisors is an integer number (2758551120).

Almost surely, 2^22201031331 is an apocalyptic number.

22201031331 is a deficient number, since it is larger than the sum of its proper divisors (10901582109).

22201031331 is a wasteful number, since it uses less digits than its factorization.

22201031331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79573626 (or 79573623 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 22201031331 its reverse (13313010222), we get a palindrome (35514041553).

The spelling of 22201031331 in words is "twenty-two billion, two hundred one million, thirty-one thousand, three hundred thirty-one".