1020122223 has 4 divisors (see below), whose sum is σ = 1360162968. Its totient is φ = 680081480.

The previous prime is 1020122219. The next prime is 1020122261. The reversal of 1020122223 is 3222210201.

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 1020122223 - 2² = 1020122219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020122203) 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 3 ways as a sum of consecutive naturals, for example, 170020368 + ... + 170020373.

It is an arithmetic number, because the mean of its divisors is an integer number (340040742).

Almost surely, 2^1020122223 is an apocalyptic number.

1020122223 is a deficient number, since it is larger than the sum of its proper divisors (340040745).

1020122223 is an equidigital number, since it uses as much as digits as its factorization.

1020122223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340040744.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1020122223 is about 31939.3522633130. The cubic root of 1020122223 is about 1006.6629146364.

Adding to 1020122223 its reverse (3222210201), we get a palindrome (4242332424).

The spelling of 1020122223 in words is "one billion, twenty million, one hundred twenty-two thousand, two hundred twenty-three".