2216235400 has 24 divisors (see below), whose sum is σ = 5152747770. Its totient is φ = 886494080.

The previous prime is 2216235391. The next prime is 2216235401. The reversal of 2216235400 is 45326122.

It can be written as a sum of positive squares in 3 ways, for example, as 1838865924 + 377369476 = 42882^2 + 19426^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (2216235401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5540389 + ... + 5540788.

Almost surely, 2^2216235400 is an apocalyptic number.

2216235400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2216235400 is an abundant number, since it is smaller than the sum of its proper divisors (2936512370).

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

2216235400 is a wasteful number, since it uses less digits than its factorization.

2216235400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11081193 (or 11081184 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2216235400 is about 47076.9094142765. The cubic root of 2216235400 is about 1303.7829456058.

The spelling of 2216235400 in words is "two billion, two hundred sixteen million, two hundred thirty-five thousand, four hundred".