2221155150 has 48 divisors (see below), whose sum is σ = 5511330288. Its totient is φ = 592000000.

The previous prime is 2221155133. The next prime is 2221155161. The reversal of 2221155150 is 515511222.

It is a self number, because there is not a number n which added to its sum of digits gives 2221155150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 553150 + ... + 557150.

It is an arithmetic number, because the mean of its divisors is an integer number (114819381).

Almost surely, 2^2221155150 is an apocalyptic number.

2221155150 is an abundant number, since it is smaller than the sum of its proper divisors (3290175138).

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

2221155150 is a wasteful number, since it uses less digits than its factorization.

2221155150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7717 (or 7712 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 2221155150 is about 47129.1327100340. The cubic root of 2221155150 is about 1304.7469746227.

Adding to 2221155150 its reverse (515511222), we get a palindrome (2736666372).

The spelling of 2221155150 in words is "two billion, two hundred twenty-one million, one hundred fifty-five thousand, one hundred fifty".