2221533152 has 24 divisors (see below), whose sum is σ = 4374737136. Its totient is φ = 1110488832.

The previous prime is 2221533103. The next prime is 2221533179. The reversal of 2221533152 is 2513351222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194348 + ... + 205460.

It is an arithmetic number, because the mean of its divisors is an integer number (182280714).

Almost surely, 2^2221533152 is an apocalyptic number.

It is an amenable number.

2221533152 is a deficient number, since it is larger than the sum of its proper divisors (2153203984).

2221533152 is a wasteful number, since it uses less digits than its factorization.

2221533152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17370 (or 17362 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 2221533152 is about 47133.1428190398. The cubic root of 2221533152 is about 1304.8209855101.

Adding to 2221533152 its reverse (2513351222), we get a palindrome (4734884374).

The spelling of 2221533152 in words is "two billion, two hundred twenty-one million, five hundred thirty-three thousand, one hundred fifty-two".