1022011223 has 8 divisors (see below), whose sum is σ = 1057308336. Its totient is φ = 987208000.

The previous prime is 1022011213. The next prime is 1022011247. The reversal of 1022011223 is 3221102201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1022011223 - 2⁸ = 1022010967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1022011198 and 1022011207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022011213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119261 + ... + 127542.

It is an arithmetic number, because the mean of its divisors is an integer number (132163542).

Almost surely, 2^1022011223 is an apocalyptic number.

1022011223 is a deficient number, since it is larger than the sum of its proper divisors (35297113).

1022011223 is a wasteful number, since it uses less digits than its factorization.

1022011223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246945.

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

The square root of 1022011223 is about 31968.9102566853. The cubic root of 1022011223 is about 1007.2838904574.

Adding to 1022011223 its reverse (3221102201), we get a palindrome (4243113424).

The spelling of 1022011223 in words is "one billion, twenty-two million, eleven thousand, two hundred twenty-three".