4222223640 has 96 divisors (see below), whose sum is σ = 13910289120. Its totient is φ = 1110495744.

The previous prime is 4222223633. The next prime is 4222223693. The reversal of 4222223640 is 463222224.

It is a happy number.

4222223640 is a `hidden beast` number, since 422 + 2 + 2 + 236 + 4 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54052 + ... + 106611.

It is an arithmetic number, because the mean of its divisors is an integer number (144898845).

Almost surely, 2^4222223640 is an apocalyptic number.

4222223640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4222223640 is an abundant number, since it is smaller than the sum of its proper divisors (9688065480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4222223640 is a wasteful number, since it uses less digits than its factorization.

4222223640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160753 (or 160746 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 4222223640 is about 64978.6398749620. The cubic root of 4222223640 is about 1616.2693761887.

Adding to 4222223640 its reverse (463222224), we get a palindrome (4685445864).

The spelling of 4222223640 in words is "four billion, two hundred twenty-two million, two hundred twenty-three thousand, six hundred forty".