974221249 has 8 divisors (see below), whose sum is σ = 993465000. Its totient is φ = 955009536.

The previous prime is 974221247. The next prime is 974221271. The reversal of 974221249 is 942122479.

974221249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 112211649 + 862009600 = 10593^2 + 29360^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 974221249 - 2¹ = 974221247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (974221243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58839 + ... + 73555.

It is an arithmetic number, because the mean of its divisors is an integer number (124183125).

It is the magic constant of a 1249 × 1249 magic square.

Almost surely, 2^974221249 is an apocalyptic number.

It is an amenable number.

974221249 is a deficient number, since it is larger than the sum of its proper divisors (19243751).

974221249 is a wasteful number, since it uses less digits than its factorization.

974221249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16019.

The product of its digits is 72576, while the sum is 40.

The square root of 974221249 is about 31212.5175050011. The cubic root of 974221249 is about 991.3321687770.

The spelling of 974221249 in words is "nine hundred seventy-four million, two hundred twenty-one thousand, two hundred forty-nine".