2220420407 has 2 divisors, whose sum is σ = 2220420408. Its totient is φ = 2220420406.

The previous prime is 2220420403. The next prime is 2220420457. The reversal of 2220420407 is 7040240222.

It is a happy number.

2220420407 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2220420407 - 2² = 2220420403 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2220420403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110210203 + 1110210204.

It is an arithmetic number, because the mean of its divisors is an integer number (1110210204).

Almost surely, 2^2220420407 is an apocalyptic number.

2220420407 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220420407 is an equidigital number, since it uses as much as digits as its factorization.

2220420407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 2220420407 is about 47121.3370671928. The cubic root of 2220420407 is about 1304.6030916180.

Adding to 2220420407 its reverse (7040240222), we get a palindrome (9260660629).

The spelling of 2220420407 in words is "two billion, two hundred twenty million, four hundred twenty thousand, four hundred seven".