7639222 has 8 divisors (see below), whose sum is σ = 12132936. Its totient is φ = 3594912.

The previous prime is 7639217. The next prime is 7639249. The reversal of 7639222 is 2229367.

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

It is a congruent number.

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, 112308 + ... + 112375.

It is an arithmetic number, because the mean of its divisors is an integer number (1516617).

Almost surely, 2^7639222 is an apocalyptic number.

7639222 is a deficient number, since it is larger than the sum of its proper divisors (4493714).

7639222 is a wasteful number, since it uses less digits than its factorization.

7639222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224702.

The product of its digits is 9072, while the sum is 31.

The square root of 7639222 is about 2763.9142533733. The cubic root of 7639222 is about 196.9471544375.

The spelling of 7639222 in words is "seven million, six hundred thirty-nine thousand, two hundred twenty-two".