1022222011 has 4 divisors (see below), whose sum is σ = 1022941792. Its totient is φ = 1021502232.

The previous prime is 1022221999. The next prime is 1022222017. The reversal of 1022222011 is 1102222201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1102222201 = 2267 ⋅486203.

It is a cyclic number.

It is not a de Polignac number, because 1022222011 - 2²⁵ = 988667579 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022221982 and 1022222000.

It is not an unprimeable number, because it can be changed into a prime (1022222017) 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, 357756 + ... + 360601.

It is an arithmetic number, because the mean of its divisors is an integer number (255735448).

Almost surely, 2^1022222011 is an apocalyptic number.

1022222011 is a deficient number, since it is larger than the sum of its proper divisors (719781).

1022222011 is an equidigital number, since it uses as much as digits as its factorization.

1022222011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719780.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1022222011 is about 31972.2068522021. The cubic root of 1022222011 is about 1007.3531358683.

Adding to 1022222011 its reverse (1102222201), we get a palindrome (2124444212).

The spelling of 1022222011 in words is "one billion, twenty-two million, two hundred twenty-two thousand, eleven".