2652262221 has 8 divisors (see below), whose sum is σ = 4041542464. Its totient is φ = 1515578400.

The previous prime is 2652262219. The next prime is 2652262247. The reversal of 2652262221 is 1222622562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2652262221 - 2¹ = 2652262219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2652262621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63149080 + ... + 63149121.

It is an arithmetic number, because the mean of its divisors is an integer number (505192808).

Almost surely, 2^2652262221 is an apocalyptic number.

2652262221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2652262221 is a deficient number, since it is larger than the sum of its proper divisors (1389280243).

2652262221 is a wasteful number, since it uses less digits than its factorization.

2652262221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126298211.

The product of its digits is 11520, while the sum is 30.

The square root of 2652262221 is about 51500.1186503488. The cubic root of 2652262221 is about 1384.2211682044.

Adding to 2652262221 its reverse (1222622562), we get a palindrome (3874884783).

The spelling of 2652262221 in words is "two billion, six hundred fifty-two million, two hundred sixty-two thousand, two hundred twenty-one".