1138022834 has 32 divisors (see below), whose sum is σ = 1901544960. Its totient is φ = 507254400.

The previous prime is 1138022833. The next prime is 1138022849. The reversal of 1138022834 is 4382208311.

It is a self number, because there is not a number n which added to its sum of digits gives 1138022834.

It is not an unprimeable number, because it can be changed into a prime (1138022833) 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, 497774 + ... + 500054.

It is an arithmetic number, because the mean of its divisors is an integer number (59423280).

Almost surely, 2^1138022834 is an apocalyptic number.

1138022834 is a deficient number, since it is larger than the sum of its proper divisors (763522126).

1138022834 is a wasteful number, since it uses less digits than its factorization.

1138022834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2946.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 1138022834 is about 33734.5940245321. The cubic root of 1138022834 is about 1044.0396491403.

The spelling of 1138022834 in words is "one billion, one hundred thirty-eight million, twenty-two thousand, eight hundred thirty-four".