2221550324 has 12 divisors (see below), whose sum is σ = 4443100704. Its totient is φ = 952092984.

The previous prime is 2221550267. The next prime is 2221550329. The reversal of 2221550324 is 4230551222.

2221550324 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2221550293 and 2221550302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221550329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39670514 + ... + 39670569.

It is an arithmetic number, because the mean of its divisors is an integer number (370258392).

Almost surely, 2^2221550324 is an apocalyptic number.

It is an amenable number.

2221550324 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2221550324 is a wasteful number, since it uses less digits than its factorization.

2221550324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79341094 (or 79341092 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2221550324 is about 47133.3249834976. The cubic root of 2221550324 is about 1304.8243475018.

The spelling of 2221550324 in words is "two billion, two hundred twenty-one million, five hundred fifty thousand, three hundred twenty-four".