4222421440 has 28 divisors (see below), whose sum is σ = 10054641816. Its totient is φ = 1688968448.

The previous prime is 4222421429. The next prime is 4222421473. The reversal of 4222421440 is 441242224.

4222421440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 6597214 + ... + 6597853.

Almost surely, 2^4222421440 is an apocalyptic number.

4222421440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4222421440 is an abundant number, since it is smaller than the sum of its proper divisors (5832220376).

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

4222421440 is a wasteful number, since it uses less digits than its factorization.

4222421440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13195084 (or 13195074 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 4222421440 is about 64980.1618957663. The cubic root of 4222421440 is about 1616.2946151084.

Adding to 4222421440 its reverse (441242224), we get a palindrome (4663663664).

The spelling of 4222421440 in words is "four billion, two hundred twenty-two million, four hundred twenty-one thousand, four hundred forty".