22211000031 has 32 divisors (see below), whose sum is σ = 32767967232. Its totient is φ = 13270289760.

The previous prime is 22211000029. The next prime is 22211000047. The reversal of 22211000031 is 13000011222.

It is not a de Polignac number, because 22211000031 - 2¹ = 22211000029 is a prime.

It is a super-2 number, since 2×22211000031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22210999980 and 22211000016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211000131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 743326 + ... + 772628.

It is an arithmetic number, because the mean of its divisors is an integer number (1023998976).

Almost surely, 2^22211000031 is an apocalyptic number.

22211000031 is a deficient number, since it is larger than the sum of its proper divisors (10556967201).

22211000031 is a wasteful number, since it uses less digits than its factorization.

22211000031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29643.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 22211000031 its reverse (13000011222), we get a palindrome (35211011253).

The spelling of 22211000031 in words is "twenty-two billion, two hundred eleven million, thirty-one", and thus it is an aban number.