197226400245472 has 192 divisors, whose sum is σ = 448514704915200. Its totient is φ = 84559336243200.

The previous prime is 197226400245383. The next prime is 197226400245473. The reversal of 197226400245472 is 274542004622791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197226400245473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1658685222 + ... + 1658804122.

It is an arithmetic number, because the mean of its divisors is an integer number (2336014088100).

Almost surely, 2^{197226400245472} 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 197226400245472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224257352457600).

197226400245472 is an abundant number, since it is smaller than the sum of its proper divisors (251288304669728).

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

197226400245472 is a wasteful number, since it uses less digits than its factorization.

197226400245472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121989 (or 121981 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 55.

The spelling of 197226400245472 in words is "one hundred ninety-seven trillion, two hundred twenty-six billion, four hundred million, two hundred forty-five thousand, four hundred seventy-two".