7452614221 has 12 divisors (see below), whose sum is σ = 8072771232. Its totient is φ = 6876966096.

The previous prime is 7452614219. The next prime is 7452614249. The reversal of 7452614221 is 1224162547.

It is not a de Polignac number, because 7452614221 - 2¹ = 7452614219 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 (7452614201) 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, 654640 + ... + 665926.

It is an arithmetic number, because the mean of its divisors is an integer number (672730936).

Almost surely, 2^7452614221 is an apocalyptic number.

It is an amenable number.

7452614221 is a deficient number, since it is larger than the sum of its proper divisors (620157011).

7452614221 is a wasteful number, since it uses less digits than its factorization.

7452614221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15220 (or 15207 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 7452614221 is about 86328.5249555441. The cubic root of 7452614221 is about 1953.3026846180.

Adding to 7452614221 its reverse (1224162547), we get a palindrome (8676776768).

The spelling of 7452614221 in words is "seven billion, four hundred fifty-two million, six hundred fourteen thousand, two hundred twenty-one".