197224450 has 24 divisors (see below), whose sum is σ = 367333632. Its totient is φ = 78783120.

The previous prime is 197224411. The next prime is 197224451. The reversal of 197224450 is 54422791.

It is not an unprimeable number, because it can be changed into a prime (197224451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42127 + ... + 46573.

It is an arithmetic number, because the mean of its divisors is an integer number (15305568).

Almost surely, 2^197224450 is an apocalyptic number.

197224450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197224450 is a deficient number, since it is larger than the sum of its proper divisors (170109182).

197224450 is a wasteful number, since it uses less digits than its factorization.

197224450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5346 (or 5341 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 197224450 is about 14043.6622716441. The cubic root of 197224450 is about 582.0856835071.

The spelling of 197224450 in words is "one hundred ninety-seven million, two hundred twenty-four thousand, four hundred fifty".