22341018 has 32 divisors (see below), whose sum is σ = 52715520. Its totient is φ = 6176880.

The previous prime is 22341013. The next prime is 22341019. The reversal of 22341018 is 81014322.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22340985 and 22341003.

It is not an unprimeable number, because it can be changed into a prime (22341013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7278 + ... + 9881.

It is an arithmetic number, because the mean of its divisors is an integer number (1647360).

Almost surely, 2^22341018 is an apocalyptic number.

22341018 is an abundant number, since it is smaller than the sum of its proper divisors (30374502).

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

22341018 is a wasteful number, since it uses less digits than its factorization.

22341018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17202.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 22341018 is about 4726.6286082154. The cubic root of 22341018 is about 281.6443128897.

The spelling of 22341018 in words is "twenty-two million, three hundred forty-one thousand, eighteen".