2242220040 has 48 divisors (see below), whose sum is σ = 7287216300. Its totient is φ = 597925248.

The previous prime is 2242220033. The next prime is 2242220063. The reversal of 2242220040 is 400222422.

2242220040 is a `hidden beast` number, since 2 + 2 + 422 + 200 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2048286564 + 193933476 = 45258^2 + 13926^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2242219995 and 2242220022.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3113835 + ... + 3114554.

Almost surely, 2^2242220040 is an apocalyptic number.

2242220040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2242220040 is an abundant number, since it is smaller than the sum of its proper divisors (5044996260).

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

2242220040 is a wasteful number, since it uses less digits than its factorization.

2242220040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6228406 (or 6228399 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2242220040 is about 47352.0859097041. The cubic root of 2242220040 is about 1308.8586371890.

Adding to 2242220040 its reverse (400222422), we get a palindrome (2642442462).

The spelling of 2242220040 in words is "two billion, two hundred forty-two million, two hundred twenty thousand, forty".