2215006642 has 8 divisors (see below), whose sum is σ = 3322711836. Its totient is φ = 1107436032.

The previous prime is 2215006603. The next prime is 2215006663. The reversal of 2215006642 is 2466005122.

It can be written as a sum of positive squares in 2 ways, for example, as 2166995601 + 48011041 = 46551^2 + 6929^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2215006642.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38098 + ... + 76690.

Almost surely, 2^2215006642 is an apocalyptic number.

2215006642 is a deficient number, since it is larger than the sum of its proper divisors (1107705194).

2215006642 is a wasteful number, since it uses less digits than its factorization.

2215006642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67292.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2215006642 is about 47063.8570667556. The cubic root of 2215006642 is about 1303.5419468547.

The spelling of 2215006642 in words is "two billion, two hundred fifteen million, six thousand, six hundred forty-two".