1905065022 has 96 divisors (see below), whose sum is σ = 4669892352. Its totient is φ = 515577216.

The previous prime is 1905065003. The next prime is 1905065023. The reversal of 1905065022 is 2205605091.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1905065023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 722218 + ... + 724850.

It is an arithmetic number, because the mean of its divisors is an integer number (48644712).

Almost surely, 2^1905065022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1905065022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2334946176).

1905065022 is an abundant number, since it is smaller than the sum of its proper divisors (2764827330).

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

1905065022 is a wasteful number, since it uses less digits than its factorization.

1905065022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782 (or 2775 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1905065022 is about 43647.0505532734. The cubic root of 1905065022 is about 1239.6619400148.

The spelling of 1905065022 in words is "one billion, nine hundred five million, sixty-five thousand, twenty-two".