2212222031 has 4 divisors (see below), whose sum is σ = 2283584064. Its totient is φ = 2140860000.

The previous prime is 2212222007. The next prime is 2212222049. The reversal of 2212222031 is 1302222122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1302222122 = 2 ⋅651111061.

It is not a de Polignac number, because 2212222031 - 2¹⁴ = 2212205647 is a prime.

It is a super-2 number, since 2×2212222031² = 9787852628883529922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212222091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35680970 + ... + 35681031.

It is an arithmetic number, because the mean of its divisors is an integer number (570896016).

Almost surely, 2^2212222031 is an apocalyptic number.

2212222031 is a deficient number, since it is larger than the sum of its proper divisors (71362033).

2212222031 is an equidigital number, since it uses as much as digits as its factorization.

2212222031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71362032.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2212222031 is about 47034.2644356218. The cubic root of 2212222031 is about 1302.9954655126.

Adding to 2212222031 its reverse (1302222122), we get a palindrome (3514444153).

Subtracting from 2212222031 its reverse (1302222122), we obtain a palindrome (909999909).

The spelling of 2212222031 in words is "two billion, two hundred twelve million, two hundred twenty-two thousand, thirty-one".