4222220144 has 20 divisors (see below), whose sum is σ = 8210092824. Its totient is φ = 2103486528.

The previous prime is 4222220131. The next prime is 4222220161. The reversal of 4222220144 is 4410222224.

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, 471902 + ... + 480765.

Almost surely, 2^4222220144 is an apocalyptic number.

It is an amenable number.

4222220144 is a deficient number, since it is larger than the sum of its proper divisors (3987872680).

4222220144 is a wasteful number, since it uses less digits than its factorization.

4222220144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952952 (or 952946 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 4222220144 is about 64978.6129738085. The cubic root of 4222220144 is about 1616.2689300983.

Adding to 4222220144 its reverse (4410222224), we get a palindrome (8632442368).

The spelling of 4222220144 in words is "four billion, two hundred twenty-two million, two hundred twenty thousand, one hundred forty-four".