734550221 has 4 divisors (see below), whose sum is σ = 739414944. Its totient is φ = 729685500.

The previous prime is 734550151. The next prime is 734550269. The reversal of 734550221 is 122055437.

It is a happy number.

734550221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-734550221 is a prime.

It is a super-2 number, since 2×734550221² = 1079128054342297682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (734550521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2432135 + ... + 2432436.

It is an arithmetic number, because the mean of its divisors is an integer number (184853736).

Almost surely, 2^734550221 is an apocalyptic number.

It is an amenable number.

734550221 is a deficient number, since it is larger than the sum of its proper divisors (4864723).

734550221 is a wasteful number, since it uses less digits than its factorization.

734550221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4864722.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 734550221 is about 27102.5869798438. The cubic root of 734550221 is about 902.2782694621.

The spelling of 734550221 in words is "seven hundred thirty-four million, five hundred fifty thousand, two hundred twenty-one".