1011223222 has 4 divisors (see below), whose sum is σ = 1516834836. Its totient is φ = 505611610.

The previous prime is 1011223219. The next prime is 1011223247. The reversal of 1011223222 is 2223221101.

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: 2223221101 = 23 ⋅96661787.

It is a super-2 number, since 2×1011223222² = 2045144809424122568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011223196 and 1011223205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252805804 + ... + 252805807.

It is an arithmetic number, because the mean of its divisors is an integer number (379208709).

Almost surely, 2^1011223222 is an apocalyptic number.

1011223222 is a deficient number, since it is larger than the sum of its proper divisors (505611614).

1011223222 is an equidigital number, since it uses as much as digits as its factorization.

1011223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505611613.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1011223222 is about 31799.7361938743. The cubic root of 1011223222 is about 1003.7271649822.

Adding to 1011223222 its reverse (2223221101), we get a palindrome (3234444323).

The spelling of 1011223222 in words is "one billion, eleven million, two hundred twenty-three thousand, two hundred twenty-two".