972622200 has 144 divisors (see below), whose sum is σ = 3314397240. Its totient is φ = 235769600.

The previous prime is 972622199. The next prime is 972622237. The reversal of 972622200 is 2226279.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 65902 + ... + 79298.

Almost surely, 2^972622200 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 972622200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1657198620).

972622200 is an abundant number, since it is smaller than the sum of its proper divisors (2341775040).

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

972622200 is a wasteful number, since it uses less digits than its factorization.

972622200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13438 (or 13418 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 972622200 is about 31186.8914770293. The cubic root of 972622200 is about 990.7894936932.

Adding to 972622200 its reverse (2226279), we get a palindrome (974848479).

The spelling of 972622200 in words is "nine hundred seventy-two million, six hundred twenty-two thousand, two hundred".