1922940936 has 96 divisors (see below), whose sum is σ = 5962170240. Its totient is φ = 548469504.

The previous prime is 1922940913. The next prime is 1922940953. The reversal of 1922940936 is 6390492291.

It is a happy number.

1922940936 is a `hidden beast` number, since 19 + 229 + 409 + 3 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1922940891 and 1922940900.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 323140 + ... + 329036.

It is an arithmetic number, because the mean of its divisors is an integer number (62105940).

Almost surely, 2^1922940936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1922940936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2981085120).

1922940936 is an abundant number, since it is smaller than the sum of its proper divisors (4039229304).

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

1922940936 is a wasteful number, since it uses less digits than its factorization.

1922940936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6563 (or 6556 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 1922940936 is about 43851.3504467080. The cubic root of 1922940936 is about 1243.5272739193.

The spelling of 1922940936 in words is "one billion, nine hundred twenty-two million, nine hundred forty thousand, nine hundred thirty-six".