4278222290 has 16 divisors (see below), whose sum is σ = 7704208512. Its totient is φ = 1710531504.

The previous prime is 4278222271. The next prime is 4278222313. The reversal of 4278222290 is 922228724.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70664 + ... + 116403.

It is an arithmetic number, because the mean of its divisors is an integer number (481513032).

Almost surely, 2^4278222290 is an apocalyptic number.

4278222290 is a deficient number, since it is larger than the sum of its proper divisors (3425986222).

4278222290 is a wasteful number, since it uses less digits than its factorization.

4278222290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189361.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 4278222290 is about 65408.1209789732. The cubic root of 4278222290 is about 1623.3834546471.

The spelling of 4278222290 in words is "four billion, two hundred seventy-eight million, two hundred twenty-two thousand, two hundred ninety".