4422212440 has 32 divisors (see below), whose sum is σ = 10192664160. Its totient is φ = 1725740800.

The previous prime is 4422212423. The next prime is 4422212447. The reversal of 4422212440 is 442122244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4422212447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1346596 + ... + 1349875.

It is an arithmetic number, because the mean of its divisors is an integer number (318520755).

Almost surely, 2^4422212440 is an apocalyptic number.

4422212440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4422212440 is an abundant number, since it is smaller than the sum of its proper divisors (5770451720).

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

4422212440 is a wasteful number, since it uses less digits than its factorization.

4422212440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696523 (or 2696519 counting only the distinct ones).

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

The square root of 4422212440 is about 66499.7175933853. The cubic root of 4422212440 is about 1641.3953571704.

Adding to 4422212440 its reverse (442122244), we get a palindrome (4864334684).

The spelling of 4422212440 in words is "four billion, four hundred twenty-two million, two hundred twelve thousand, four hundred forty".