1220253022 has 4 divisors (see below), whose sum is σ = 1830379536. Its totient is φ = 610126510.

The previous prime is 1220253019. The next prime is 1220253037. The reversal of 1220253022 is 2203520221.

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 (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305063254 + ... + 305063257.

It is an arithmetic number, because the mean of its divisors is an integer number (457594884).

Almost surely, 2^1220253022 is an apocalyptic number.

1220253022 is a deficient number, since it is larger than the sum of its proper divisors (610126514).

1220253022 is an equidigital number, since it uses as much as digits as its factorization.

1220253022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610126513.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1220253022 is about 34932.1202047628. The cubic root of 1220253022 is about 1068.6035943131.

Adding to 1220253022 its reverse (2203520221), we get a palindrome (3423773243).

The spelling of 1220253022 in words is "one billion, two hundred twenty million, two hundred fifty-three thousand, twenty-two".