754242221 has 16 divisors (see below), whose sum is σ = 805277760. Its totient is φ = 704401920.

The previous prime is 754242211. The next prime is 754242227. The reversal of 754242221 is 122242457.

It is a cyclic number.

It is not a de Polignac number, because 754242221 - 2⁶ = 754242157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (754242227) 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 15 ways as a sum of consecutive naturals, for example, 583586 + ... + 584876.

It is an arithmetic number, because the mean of its divisors is an integer number (50329860).

Almost surely, 2^754242221 is an apocalyptic number.

It is an amenable number.

754242221 is a deficient number, since it is larger than the sum of its proper divisors (51035539).

754242221 is a wasteful number, since it uses less digits than its factorization.

754242221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1724.

The product of its digits is 8960, while the sum is 29.

The square root of 754242221 is about 27463.4706655951. The cubic root of 754242221 is about 910.2701049827.

Adding to 754242221 its reverse (122242457), we get a palindrome (876484678).

The spelling of 754242221 in words is "seven hundred fifty-four million, two hundred forty-two thousand, two hundred twenty-one".