970221040 has 80 divisors (see below), whose sum is σ = 2334895200. Its totient is φ = 374685696.

The previous prime is 970220941. The next prime is 970221053. The reversal of 970221040 is 40122079.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 970220996 and 970221014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304576 + ... + 307744.

It is an arithmetic number, because the mean of its divisors is an integer number (29186190).

Almost surely, 2^970221040 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 970221040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1167447600).

970221040 is an abundant number, since it is smaller than the sum of its proper divisors (1364674160).

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

970221040 is a wasteful number, since it uses less digits than its factorization.

970221040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314 (or 3308 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 970221040 is about 31148.3713859971. The cubic root of 970221040 is about 989.9734849886.

The spelling of 970221040 in words is "nine hundred seventy million, two hundred twenty-one thousand, forty".