926221459216 has 45 divisors (see below), whose sum is σ = 1906460315071. Its totient is φ = 435838125056.

The previous prime is 926221459213. The next prime is 926221459243. The reversal of 926221459216 is 612954122629.

It is a happy number.

The square root of 926221459216 is 962404.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 28427308816 + 897794150400 = 168604^2 + 947520^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 926221459216.

It is not an unprimeable number, because it can be changed into a prime (926221459213) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 65436396 + ... + 65450548.

Almost surely, 2^926221459216 is an apocalyptic number.

926221459216 is the 962404-th square number.

It is an amenable number.

926221459216 is an abundant number, since it is smaller than the sum of its proper divisors (980238855855).

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

926221459216 is an frugal number, since it uses more digits than its factorization.

926221459216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28348 (or 14172 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

Multiplying 926221459216 by its sum of digits (49), we get a square (45384851501584 = 6736828²).

The spelling of 926221459216 in words is "nine hundred twenty-six billion, two hundred twenty-one million, four hundred fifty-nine thousand, two hundred sixteen".