195022940 has 48 divisors (see below), whose sum is σ = 477624000. Its totient is φ = 66862656.

The previous prime is 195022939. The next prime is 195022943. The reversal of 195022940 is 49220591.

It is a junction number, because it is equal to n+sod(n) for n = 195022897 and 195022906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195022943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7355 + ... + 21074.

It is an arithmetic number, because the mean of its divisors is an integer number (9950500).

Almost surely, 2^195022940 is an apocalyptic number.

195022940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195022940 is an abundant number, since it is smaller than the sum of its proper divisors (282601060).

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

195022940 is a wasteful number, since it uses less digits than its factorization.

195022940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28459 (or 28443 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 195022940 is about 13965.0614033738. The cubic root of 195022940 is about 579.9117384522.

The spelling of 195022940 in words is "one hundred ninety-five million, twenty-two thousand, nine hundred forty".