2420222440 has 32 divisors (see below), whose sum is σ = 5522204160. Its totient is φ = 954452800.

The previous prime is 2420222437. The next prime is 2420222491. The reversal of 2420222440 is 442220242.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423256 + ... + 428935.

It is an arithmetic number, because the mean of its divisors is an integer number (172568880).

Almost surely, 2^2420222440 is an apocalyptic number.

2420222440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2420222440 is an abundant number, since it is smaller than the sum of its proper divisors (3101981720).

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

2420222440 is a wasteful number, since it uses less digits than its factorization.

2420222440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852273 (or 852269 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 2420222440 is about 49195.7563210487. The cubic root of 2420222440 is about 1342.6158229620.

Adding to 2420222440 its reverse (442220242), we get a palindrome (2862442682).

The spelling of 2420222440 in words is "two billion, four hundred twenty million, two hundred twenty-two thousand, four hundred forty".