1202221022 has 4 divisors (see below), whose sum is σ = 1803331536. Its totient is φ = 601110510.

The previous prime is 1202221021. The next prime is 1202221039. The reversal of 1202221022 is 2201222021.

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

It is a junction number, because it is equal to n+sod(n) for n = 1202220988 and 1202221006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202221021) 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 as a sum of consecutive naturals, namely, 300555254 + ... + 300555257.

It is an arithmetic number, because the mean of its divisors is an integer number (450832884).

Almost surely, 2^1202221022 is an apocalyptic number.

1202221022 is a deficient number, since it is larger than the sum of its proper divisors (601110514).

1202221022 is an equidigital number, since it uses as much as digits as its factorization.

1202221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601110513.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1202221022 is about 34673.0590228206. The cubic root of 1202221022 is about 1063.3137729150.

Adding to 1202221022 its reverse (2201222021), we get a palindrome (3403443043).

Subtracting 1202221022 from its reverse (2201222021), we obtain a palindrome (999000999).

The spelling of 1202221022 in words is "one billion, two hundred two million, two hundred twenty-one thousand, twenty-two".