3215220250235 has 32 divisors (see below), whose sum is σ = 4669006707072. Its totient is φ = 2074951710720.

The previous prime is 3215220250213. The next prime is 3215220250271. The reversal of 3215220250235 is 5320520225123.

It is not a de Polignac number, because 3215220250235 - 2¹⁸ = 3215219988091 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17605049 + ... + 17786741.

It is an arithmetic number, because the mean of its divisors is an integer number (145906459596).

Almost surely, 2^{3215220250235} is an apocalyptic number.

3215220250235 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3215220250235 is a deficient number, since it is larger than the sum of its proper divisors (1453786456837).

3215220250235 is a wasteful number, since it uses less digits than its factorization.

3215220250235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211463.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 3215220250235 its reverse (5320520225123), we get a palindrome (8535740475358).

The spelling of 3215220250235 in words is "three trillion, two hundred fifteen billion, two hundred twenty million, two hundred fifty thousand, two hundred thirty-five".