2212330315406 has 4 divisors (see below), whose sum is σ = 3318495473112. Its totient is φ = 1106165157702.

The previous prime is 2212330315387. The next prime is 2212330315439. The reversal of 2212330315406 is 6045130332122.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2212330315406² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553082578850 + ... + 553082578853.

It is an arithmetic number, because the mean of its divisors is an integer number (829623868278).

Almost surely, 2^{2212330315406} is an apocalyptic number.

2212330315406 is a deficient number, since it is larger than the sum of its proper divisors (1106165157706).

2212330315406 is a wasteful number, since it uses less digits than its factorization.

2212330315406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106165157705.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 2212330315406 its reverse (6045130332122), we get a palindrome (8257460647528).

The spelling of 2212330315406 in words is "two trillion, two hundred twelve billion, three hundred thirty million, three hundred fifteen thousand, four hundred six".