1022221031 has 4 divisors (see below), whose sum is σ = 1100853432. Its totient is φ = 943588632.

The previous prime is 1022220977. The next prime is 1022221049. The reversal of 1022221031 is 1301222201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1022221031 - 2¹⁴ = 1022204647 is a prime.

It is a super-2 number, since 2×1022221031² = 2089871672437405922, 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 = 1022220997 and 1022221015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022221051) 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, 39316181 + ... + 39316206.

It is an arithmetic number, because the mean of its divisors is an integer number (275213358).

Almost surely, 2^1022221031 is an apocalyptic number.

1022221031 is a deficient number, since it is larger than the sum of its proper divisors (78632401).

1022221031 is an equidigital number, since it uses as much as digits as its factorization.

1022221031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78632400.

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

The square root of 1022221031 is about 31972.1915263874. The cubic root of 1022221031 is about 1007.3528139531.

Adding to 1022221031 its reverse (1301222201), we get a palindrome (2323443232).

The spelling of 1022221031 in words is "one billion, twenty-two million, two hundred twenty-one thousand, thirty-one".