2220121435 has 8 divisors (see below), whose sum is σ = 3044738016. Its totient is φ = 1522368960.

The previous prime is 2220121381. The next prime is 2220121439. The reversal of 2220121435 is 5341210222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2220121435 - 2⁹ = 2220120923 is a prime.

It is a super-2 number, since 2×2220121435² = 9857878372292918450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220121439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31715986 + ... + 31716055.

It is an arithmetic number, because the mean of its divisors is an integer number (380592252).

Almost surely, 2^2220121435 is an apocalyptic number.

2220121435 is a deficient number, since it is larger than the sum of its proper divisors (824616581).

2220121435 is an equidigital number, since it uses as much as digits as its factorization.

2220121435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63432053.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2220121435 is about 47118.1645971063. The cubic root of 2220121435 is about 1304.5445355443.

Adding to 2220121435 its reverse (5341210222), we get a palindrome (7561331657).

The spelling of 2220121435 in words is "two billion, two hundred twenty million, one hundred twenty-one thousand, four hundred thirty-five".