1220022302 has 4 divisors (see below), whose sum is σ = 1830033456. Its totient is φ = 610011150.

The previous prime is 1220022299. The next prime is 1220022311. The reversal of 1220022302 is 2032200221.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305005574 + ... + 305005577.

It is an arithmetic number, because the mean of its divisors is an integer number (457508364).

Almost surely, 2^1220022302 is an apocalyptic number.

1220022302 is a deficient number, since it is larger than the sum of its proper divisors (610011154).

1220022302 is an equidigital number, since it uses as much as digits as its factorization.

1220022302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610011153.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1220022302 is about 34928.8176438883. The cubic root of 1220022302 is about 1068.5362411338.

Adding to 1220022302 its reverse (2032200221), we get a palindrome (3252222523).

The spelling of 1220022302 in words is "one billion, two hundred twenty million, twenty-two thousand, three hundred two".