2215326434442 has 16 divisors (see below), whose sum is σ = 4833439493472. Its totient is φ = 671311040720.

The previous prime is 2215326434411. The next prime is 2215326434449. The reversal of 2215326434442 is 2444346235122.

It is a super-2 number, since 2×2215326434442² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2215326434394 and 2215326434403.

It is not an unprimeable number, because it can be changed into a prime (2215326434449) 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, 16782775953 + ... + 16782776084.

It is an arithmetic number, because the mean of its divisors is an integer number (302089968342).

Almost surely, 2^{2215326434442} is an apocalyptic number.

2215326434442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2215326434442 is an abundant number, since it is smaller than the sum of its proper divisors (2618113059030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2215326434442 is a wasteful number, since it uses less digits than its factorization.

2215326434442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33565552053.

The product of its digits is 1105920, while the sum is 42.

The spelling of 2215326434442 in words is "two trillion, two hundred fifteen billion, three hundred twenty-six million, four hundred thirty-four thousand, four hundred forty-two".