3215122222 has 8 divisors (see below), whose sum is σ = 5193659016. Its totient is φ = 1483902552.

The previous prime is 3215122213. The next prime is 3215122301. The reversal of 3215122222 is 2222215123.

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

It is a junction number, because it is equal to n+sod(n) for n = 3215122193 and 3215122202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61829248 + ... + 61829299.

It is an arithmetic number, because the mean of its divisors is an integer number (649207377).

Almost surely, 2^3215122222 is an apocalyptic number.

3215122222 is a deficient number, since it is larger than the sum of its proper divisors (1978536794).

3215122222 is a wasteful number, since it uses less digits than its factorization.

3215122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123658562.

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

The square root of 3215122222 is about 56702.0477760724. The cubic root of 3215122222 is about 1475.9302333952.

Adding to 3215122222 its reverse (2222215123), we get a palindrome (5437337345).

The spelling of 3215122222 in words is "three billion, two hundred fifteen million, one hundred twenty-two thousand, two hundred twenty-two".