2443222100 has 36 divisors (see below), whose sum is σ = 5783775648. Its totient is φ = 888444000.

The previous prime is 2443222097. The next prime is 2443222123. The reversal of 2443222100 is 12223442.

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

It is a congruent number.

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, 1109456 + ... + 1111655.

Almost surely, 2^2443222100 is an apocalyptic number.

2443222100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2443222100 is an abundant number, since it is smaller than the sum of its proper divisors (3340553548).

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

2443222100 is a wasteful number, since it uses less digits than its factorization.

2443222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221136 (or 2221129 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2443222100 is about 49428.9601347226. The cubic root of 2443222100 is about 1346.8554336515.

Adding to 2443222100 its reverse (12223442), we get a palindrome (2455445542).

The spelling of 2443222100 in words is "two billion, four hundred forty-three million, two hundred twenty-two thousand, one hundred".