2220343638 has 16 divisors (see below), whose sum is σ = 4535170560. Its totient is φ = 724367336.

The previous prime is 2220343613. The next prime is 2220343669. The reversal of 2220343638 is 8363430222.

It is a junction number, because it is equal to n+sod(n) for n = 2220343599 and 2220343608.

It is a congruent 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, 3936498 + ... + 3937061.

It is an arithmetic number, because the mean of its divisors is an integer number (283448160).

Almost surely, 2^2220343638 is an apocalyptic number.

2220343638 is an abundant number, since it is smaller than the sum of its proper divisors (2314826922).

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

2220343638 is a wasteful number, since it uses less digits than its factorization.

2220343638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7873611.

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 2220343638 is about 47120.5224716365. The cubic root of 2220343638 is about 1304.5880562927.

The spelling of 2220343638 in words is "two billion, two hundred twenty million, three hundred forty-three thousand, six hundred thirty-eight".