9221293739425 has 12 divisors (see below), whose sum is σ = 11434479893100. Its totient is φ = 7376986181120.

The previous prime is 9221293739401. The next prime is 9221293739519. The reversal of 9221293739425 is 5249373921229.

It is a happy number.

9221293739425 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 6 ways, for example, as 2826863843584 + 6394429895841 = 1681328^2 + 2528721^2 .

It is not a de Polignac number, because 9221293739425 - 2¹⁷ = 9221293608353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9221293739425.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2907501 + ... + 5186149.

It is an arithmetic number, because the mean of its divisors is an integer number (952873324425).

Almost surely, 2^{9221293739425} is an apocalyptic number.

It is an amenable number.

9221293739425 is a deficient number, since it is larger than the sum of its proper divisors (2213186153675).

9221293739425 is a wasteful number, since it uses less digits than its factorization.

9221293739425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2440532 (or 2440527 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 58.

The spelling of 9221293739425 in words is "nine trillion, two hundred twenty-one billion, two hundred ninety-three million, seven hundred thirty-nine thousand, four hundred twenty-five".