1922440234 has 48 divisors (see below), whose sum is σ = 3554673984. Its totient is φ = 771513600.

The previous prime is 1922440229. The next prime is 1922440241. The reversal of 1922440234 is 4320442291.

It is a junction number, because it is equal to n+sod(n) for n = 1922440196 and 1922440205.

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, 74274 + ... + 96754.

It is an arithmetic number, because the mean of its divisors is an integer number (74055708).

Almost surely, 2^1922440234 is an apocalyptic number.

1922440234 is a deficient number, since it is larger than the sum of its proper divisors (1632233750).

1922440234 is a wasteful number, since it uses less digits than its factorization.

1922440234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22543 (or 22530 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 1922440234 is about 43845.6409920074. The cubic root of 1922440234 is about 1243.4193332418.

The spelling of 1922440234 in words is "one billion, nine hundred twenty-two million, four hundred forty thousand, two hundred thirty-four".