22079340 has 36 divisors (see below), whose sum is σ = 66974544. Its totient is φ = 5887776.

The previous prime is 22079327. The next prime is 22079357. The reversal of 22079340 is 4397022.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 61152 + ... + 61511.

It is an arithmetic number, because the mean of its divisors is an integer number (1860404).

Almost surely, 2^22079340 is an apocalyptic number.

22079340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22079340 is an abundant number, since it is smaller than the sum of its proper divisors (44895204).

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

22079340 is a wasteful number, since it uses less digits than its factorization.

22079340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122678 (or 122673 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 22079340 is about 4698.8658205997. The cubic root of 22079340 is about 280.5403680451.

The spelling of 22079340 in words is "twenty-two million, seventy-nine thousand, three hundred forty".