974221248 has 448 divisors, whose sum is σ = 3580351488. Its totient is φ = 225607680.

The previous prime is 974221247. The next prime is 974221271. The reversal of 974221248 is 842122479.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (448).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent 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 63 ways as a sum of consecutive naturals, for example, 7111036 + ... + 7111172.

It is an arithmetic number, because the mean of its divisors is an integer number (7991856).

Almost surely, 2^974221248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 974221248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1790175744).

974221248 is an abundant number, since it is smaller than the sum of its proper divisors (2606130240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

974221248 is a wasteful number, since it uses less digits than its factorization.

974221248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 210 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 974221248 is about 31212.5174889819. The cubic root of 974221248 is about 991.3321684378.

It can be divided in two parts, 974 and 221248, that added together give a palindrome (222222).

The spelling of 974221248 in words is "nine hundred seventy-four million, two hundred twenty-one thousand, two hundred forty-eight".