6667222790 has 32 divisors (see below), whose sum is σ = 12347566560. Its totient is φ = 2590444800.

The previous prime is 6667222739. The next prime is 6667222801. The reversal of 6667222790 is 972227666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58385 + ... + 129395.

It is an arithmetic number, because the mean of its divisors is an integer number (385861455).

Almost surely, 2^6667222790 is an apocalyptic number.

6667222790 is a deficient number, since it is larger than the sum of its proper divisors (5680343770).

6667222790 is a wasteful number, since it uses less digits than its factorization.

6667222790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71288.

The product of its (nonzero) digits is 762048, while the sum is 47.

The square root of 6667222790 is about 81653.0635677560. The cubic root of 6667222790 is about 1882.1243895163.

The spelling of 6667222790 in words is "six billion, six hundred sixty-seven million, two hundred twenty-two thousand, seven hundred ninety".