30222212031 has 12 divisors (see below), whose sum is σ = 47622879720. Its totient is φ = 18316492080.

The previous prime is 30222212029. The next prime is 30222212087. The reversal of 30222212031 is 13021222203.

It is not a de Polignac number, because 30222212031 - 2¹ = 30222212029 is a prime.

It is a super-2 number, since 2×30222212031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30222211995 and 30222212013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30222214031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152637336 + ... + 152637533.

It is an arithmetic number, because the mean of its divisors is an integer number (3968573310).

Almost surely, 2^30222212031 is an apocalyptic number.

30222212031 is a deficient number, since it is larger than the sum of its proper divisors (17400667689).

30222212031 is a wasteful number, since it uses less digits than its factorization.

30222212031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305274886 (or 305274883 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 30222212031 its reverse (13021222203), we get a palindrome (43243434234).

The spelling of 30222212031 in words is "thirty billion, two hundred twenty-two million, two hundred twelve thousand, thirty-one".