4422220040 has 32 divisors (see below), whose sum is σ = 11371423680. Its totient is φ = 1516189632.

The previous prime is 4422220031. The next prime is 4422220043. The reversal of 4422220040 is 400222244.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4422219994 and 4422220021.

It is not an unprimeable number, because it can be changed into a prime (4422220043) 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, 7896542 + ... + 7897101.

It is an arithmetic number, because the mean of its divisors is an integer number (355356990).

Almost surely, 2^4422220040 is an apocalyptic number.

4422220040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4422220040 is an abundant number, since it is smaller than the sum of its proper divisors (6949203640).

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

4422220040 is a wasteful number, since it uses less digits than its factorization.

4422220040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15793661 (or 15793657 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4422220040 is about 66499.7747364606. The cubic root of 4422220040 is about 1641.3962974688.

Adding to 4422220040 its reverse (400222244), we get a palindrome (4822442284).

The spelling of 4422220040 in words is "four billion, four hundred twenty-two million, two hundred twenty thousand, forty".