195022240 has 192 divisors, whose sum is σ = 560867328. Its totient is φ = 62668800.

The previous prime is 195022211. The next prime is 195022241. The reversal of 195022240 is 42220591.

It is not an unprimeable number, because it can be changed into a prime (195022241) 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, 1423452 + ... + 1423588.

It is an arithmetic number, because the mean of its divisors is an integer number (2921184).

Almost surely, 2^195022240 is an apocalyptic number.

195022240 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 195022240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280433664).

195022240 is an abundant number, since it is smaller than the sum of its proper divisors (365845088).

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

195022240 is a wasteful number, since it uses less digits than its factorization.

195022240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 195022240 is about 13965.0363408048. The cubic root of 195022240 is about 579.9110446215.

The spelling of 195022240 in words is "one hundred ninety-five million, twenty-two thousand, two hundred forty".