7350501221 has 12 divisors (see below), whose sum is σ = 8732513088. Its totient is φ = 6166375992.

The previous prime is 7350501209. The next prime is 7350501271. The reversal of 7350501221 is 1221050537.

It is not a de Polignac number, because 7350501221 - 2¹⁰ = 7350500197 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 (7350501271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1593551 + ... + 1598156.

It is an arithmetic number, because the mean of its divisors is an integer number (727709424).

Almost surely, 2^7350501221 is an apocalyptic number.

It is an amenable number.

7350501221 is a deficient number, since it is larger than the sum of its proper divisors (1382011867).

7350501221 is a wasteful number, since it uses less digits than its factorization.

7350501221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191768 (or 3191761 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 7350501221 is about 85735.0641278118. The cubic root of 7350501221 is about 1944.3404800177.

Adding to 7350501221 its reverse (1221050537), we get a palindrome (8571551758).

The spelling of 7350501221 in words is "seven billion, three hundred fifty million, five hundred one thousand, two hundred twenty-one".