1022212031 has 4 divisors (see below), whose sum is σ = 1022275992. Its totient is φ = 1022148072.

The previous prime is 1022212021. The next prime is 1022212033. The reversal of 1022212031 is 1302122201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1302122201 = 18899 ⋅68899.

It is a cyclic number.

It is not a de Polignac number, because 1022212031 - 2²² = 1018017727 is a prime.

It is a super-2 number, since 2×1022212031² = 2089834872642289922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022211997 and 1022212015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022212033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14921 + ... + 47613.

It is an arithmetic number, because the mean of its divisors is an integer number (255568998).

Almost surely, 2^1022212031 is an apocalyptic number.

1022212031 is a deficient number, since it is larger than the sum of its proper divisors (63961).

1022212031 is an equidigital number, since it uses as much as digits as its factorization.

1022212031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63960.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1022212031 is about 31972.0507787661. The cubic root of 1022212031 is about 1007.3498575795.

Adding to 1022212031 its reverse (1302122201), we get a palindrome (2324334232).

The spelling of 1022212031 in words is "one billion, twenty-two million, two hundred twelve thousand, thirty-one".