197422380 has 192 divisors, whose sum is σ = 648869760. Its totient is φ = 49766400.

The previous prime is 197422373. The next prime is 197422391. The reversal of 197422380 is 83224791.

197422380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×197422380² = 77951192249728800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 819060 + ... + 819300.

It is an arithmetic number, because the mean of its divisors is an integer number (3379530).

Almost surely, 2^197422380 is an apocalyptic number.

197422380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197422380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324434880).

197422380 is an abundant number, since it is smaller than the sum of its proper divisors (451447380).

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

197422380 is a wasteful number, since it uses less digits than its factorization.

197422380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 197422380 is about 14050.7074554985. The cubic root of 197422380 is about 582.2803410819.

It can be divided in two parts, 19742 and 2380, that added together give a palindrome (22122).

The spelling of 197422380 in words is "one hundred ninety-seven million, four hundred twenty-two thousand, three hundred eighty".