197219152 has 20 divisors (see below), whose sum is σ = 411505780. Its totient is φ = 91024128.

The previous prime is 197219131. The next prime is 197219153. The reversal of 197219152 is 251912791.

197219152 is digitally balanced in base 3, 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 2 ways, for example, as 104366656 + 92852496 = 10216^2 + 9636^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197219153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473877 + ... + 474292.

It is an arithmetic number, because the mean of its divisors is an integer number (20575289).

Almost surely, 2^197219152 is an apocalyptic number.

It is an amenable number.

197219152 is an abundant number, since it is smaller than the sum of its proper divisors (214286628).

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

197219152 is a wasteful number, since it uses less digits than its factorization.

197219152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948190 (or 948184 counting only the distinct ones).

The product of its digits is 11340, while the sum is 37.

The square root of 197219152 is about 14043.4736443659. The cubic root of 197219152 is about 582.0804713110.

The spelling of 197219152 in words is "one hundred ninety-seven million, two hundred nineteen thousand, one hundred fifty-two".