1822209954 has 16 divisors (see below), whose sum is σ = 3770089920. Its totient is φ = 586458320.

The previous prime is 1822209947. The next prime is 1822209989. The reversal of 1822209954 is 4599022281.

It is a happy number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5236062 + ... + 5236409.

It is an arithmetic number, because the mean of its divisors is an integer number (235630620).

Almost surely, 2^1822209954 is an apocalyptic number.

1822209954 is an abundant number, since it is smaller than the sum of its proper divisors (1947879966).

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

1822209954 is a wasteful number, since it uses less digits than its factorization.

1822209954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10472505.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 1822209954 is about 42687.3512178959. The cubic root of 1822209954 is about 1221.4231251844.

The spelling of 1822209954 in words is "one billion, eight hundred twenty-two million, two hundred nine thousand, nine hundred fifty-four".