1220022523315 has 4 divisors (see below), whose sum is σ = 1464027027984. Its totient is φ = 976018018648.

The previous prime is 1220022523289. The next prime is 1220022523319. The reversal of 1220022523315 is 5133252200221.

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 1220022523315 - 2²⁵ = 1219988968883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220022523319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122002252327 + ... + 122002252336.

It is an arithmetic number, because the mean of its divisors is an integer number (366006756996).

Almost surely, 2^{1220022523315} is an apocalyptic number.

1220022523315 is a deficient number, since it is larger than the sum of its proper divisors (244004504669).

1220022523315 is an equidigital number, since it uses as much as digits as its factorization.

1220022523315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244004504668.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 1220022523315 its reverse (5133252200221), we get a palindrome (6353274723536).

The spelling of 1220022523315 in words is "one trillion, two hundred twenty billion, twenty-two million, five hundred twenty-three thousand, three hundred fifteen".