1822719234 has 32 divisors (see below), whose sum is σ = 4278819456. Its totient is φ = 506701440.

The previous prime is 1822719233. The next prime is 1822719299. The reversal of 1822719234 is 4329172281.

It is a junction number, because it is equal to n+sod(n) for n = 1822719192 and 1822719201.

It is not an unprimeable number, because it can be changed into a prime (1822719233) 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, 584907 + ... + 588014.

It is an arithmetic number, because the mean of its divisors is an integer number (133713108).

Almost surely, 2^1822719234 is an apocalyptic number.

1822719234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1822719234 is an abundant number, since it is smaller than the sum of its proper divisors (2456100222).

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

1822719234 is a wasteful number, since it uses less digits than its factorization.

1822719234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172970.

The product of its digits is 48384, while the sum is 39.

The square root of 1822719234 is about 42693.3160342459. The cubic root of 1822719234 is about 1221.5369043213.

The spelling of 1822719234 in words is "one billion, eight hundred twenty-two million, seven hundred nineteen thousand, two hundred thirty-four".